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  John Betts - Fine Minerals, a division of ALLMINERALS.COM dealer of Mineral Specimens, Crystals, Gemstones for Rockshops, Rockhounds, Collectors and Mineral Clubs with Articles on Mineral Collecting, Mineral Locations, Mineral Research, Mineral History, Earth Sciences, Geology

 

Other Minerals  Available Upon Request

I have approximately 5000 minerals in stock. But this site can only hold 800-900 specimens without slowing loading time. Below is a listing of other minerals  ($75 and up) currently available from our warehouse, but not pictured on this web site. Email to inquire about availability, info or photos. Because these are buried among 4500 specimens in the warehouse, expect a delay of up to one week in filling any requests. Click here if you are lookng for faster service to select from the mineral galleries on this site.

4500 more  minerals are available. Email your requests and I will do my best to find what you are looking for.


#44011 - Mineral: Adamite var. Cuproadamite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Rich cluster of many translucent green cuproadamite crystals, the copper-rich variety of the mineral species adamite, up to 3 mm long with a few etched colorless quartz crystals to 2 mm long. Ex. Uli Bahmann collection Overall Size: 5.5x5x2.2 cm. Crystal Size: 1-3 mm. Price: $750

#46108 - Mineral: Almandine Garnet, East Haddam, Middlesex County, Connecticut. Double-sided plate partially translucent trapezohedral red-brown almandine garnet crystals surrounded by layers of black biotite mica with a few black schorl crystals on the rear. This appears to be a vein of garnet in biotite schist. Ex. Hal Kramer Overall Size: 12x10x3 cm. Crystal Size: 3-15 mm. Price: $175

#46390 - Mineral: Almandine Garnet, Ötztal, Tyrol, Austria. Foliated gray schist with lustrous red-brown dodecahedral almandine garnet crystals. The schist was carefully worked to expose the almandine garnet crystals without damage. Most likely this specimen originated at Granatenkogel Mountain. Overall Size: 10x7x5 cm. Crystal Size: 3-20 mm. Price: $350

#45989 - Mineral: Almandine Garnet, Ötztal, Tyrol, Austria. Large plate of gray schist with scattered red-brown dodecahedral almandine garnet crystals. The schist was carefully worked to expose the almandine garnet crystals without damage. Most likely this specimen originated at Granatenkogel Mountain. Overall Size: 22x11x4 cm. Crystal Size: 3-22 mm. Price: $750

#46993 - Mineral: Almandine Garnet in Rhyolite, Garnet Hill, Ely, White Pine County, Nevada. Pristine crystal of dark-red almandine garnet nestled in a 3 cm quartz crystal-lined cavity in pinkish rhyolite. The almandine garnet has classic trapezohedral form, lustrous crystal faces and shows translucency with strong side illumination. Overall Size: 7.5x5x4 cm. Crystal Size: 12 mm. Price: $125

#45164 - Mineral: Almandine Garnet in Rhyolite, Garnet Hill, Ely, White Pine County, Nevada. Pristine crystal of dark red almandine garnet nestled in a 4 cm quartz crystal-lined cavity in pinkish rhyolite. The almandine garnet has classic trapezohedral form, lustrous crystal faces and shows translucency with strong side illumination. Overall Size: 7x7x5 cm. Crystal Size: 13 mm. Price: $250

#45165 - Mineral: Almandine Garnet in Rhyolite, Garnet Hill, Ely, White Pine County, Nevada. Pristine crystal of dark red almandine garnet perched above a 2 cm quartz crystal-lined cavity in pinkish rhyolite. The almandine garnet has classic trapezohedral form, lustrous crystal faces and shows translucency with strong side illumination. Overall Size: 8x6x5 cm. Crystal Size: 18 mm. Price: $350

#46616 - Mineral: Almandine-Spessartine Garnet, Avondale, Ridley Township, Delaware County, Pennsylvania. Large complex crystal of translucent wine-red spessartine-almandine garnet frozen in quartz matrix with old museum display label. Exact composition must be tested to determine exact garnet species. Old museum label no. 7169, donated by Lewis Palmer (1837-1872). Overall Size: 9x6x3 cm. Crystal Size: 12-40 mm. Price: $950

#45975 - Mineral: Amber - Cretaceous Fossilized Tree Resin, Sayreville Clay Pits, Middlesex County, New Jersey. Translucent nodule of amber with the internal color and clarity visible on one side where a fresh surface is exposed. This amber is fossilized tree resin or tree sap and is approximately 92 million years old dating to the Upper Cretaceous period. Overall Size: 35x25x20 mm.. Price: $175

#46028 - Mineral: Amber - Cretaceous Fossilized Tree Resin, Sayreville Clay Pits, Middlesex County, New Jersey. My largest find of translucent amber with flow patterns on the surface and minor lignite inclusions. This amber is fossilized tree resin or tree sap and is approximately 92 million years old dating to the Upper Cretaceous period. Overall Size: 5.5x5.5x3.5 cm.. Price: $400

#46450 - Mineral: Analcime, Two Islands, east of Parrsboro, Nova Scotia, Canada. Sparkling cluster of lustrous transparent colorless analcime crystals covering all surfaces of a a rounded, hemispherical formation. Ex. A. Lincoln Sherk II, MD. (1896-1970) Overall Size: 7x5x3 cm. Crystal Size: 1-8 mm. Price: $110

#42897 - Mineral: Analcime, Mont Saint-Hilaire, Québec, Canada. Many lustrous white analcime crystals scattered over shallow cavity in gray matrix. The bottom was sawn flat to remove excess matrix without damage. The analcime crystals are opaque with internal zones that are translucent. Overall Size: 14x8x6 cm. Crystal Size: 4-25 mm. Price: $125

#46121 - Mineral: Andradite Garnet, Stanley Butte, San Carlos Indian Reservation, Graham County, Arizona. Superb cluster of translucent greenish-brown andradite garnet crystals up to 15 mm across. The crystals cover all sides of a central knob and have an iridescent luster on all crystals. Overall Size: 7x6x4 cm. Crystal Size: 5-15 mm. Price: $125

#46619 - Mineral: Andradite Garnet, Cornwall Iron Mines, Cornwall, Lebanon County, Pennsylvania. Many black trapezohedral andradite garnet crystals with slightly striated crystal faces frozen in greenish quartz-rich matrix. Ex. Stuart F. Wise collection #220 Overall Size: 13x7x3.5 cm. Crystal Size: 1-16 mm. Price: $400

#45373 - Mineral: Andradite Garnet in Quartz, Nightingale District, Pershing County, Nevada. Double-sided cluster of lustrous translucent brown andradite garnet crystals (species confirmed with EDS/SEM). The andradite garnet crystals are complex form, a combination of dodecahedral and trapezohedral. A new find, at an undisclosed mine. Collected in 2009 Overall Size: 7.5x5.5x4.5 cm. Crystal Size: 1-18 mm. Price: $195

#45382 - Mineral: Andradite Garnet in Quartz, Nightingale District, Pershing County, Nevada. Transparent-to-translucent deep red-brown andradite garnet crystals with lustrous, slightly striated crystal faces surrounded by contrasting milky quartz. The andradite has the best color and luster from this new find. Collected in 2009 Overall Size: 6.5x6.5x4 cm. Crystal Size: 4-24 mm. Price: $195

#46602 - Mineral: Anglesite on Galena, Wheatley Mine, Phoenixville, Chester County, Pennsylvania. Shallow, limonite-lined pocket in gray galena matrix with several rhombohedral colorless anglesite crystals. For more info on the locality see: The Phoenixville Lead-Silver Mines Chester County, Pa. in Min. Rec. v.20-#5. Ex. Robert C. Linck (1905-1970); Ex. Charles R. Toothaker (1873-1952) Overall Size: 8x6x5 cm. Crystal Size: 8-15 mm. Price: $3750

#24536 - Mineral: Apophyllite-(KF), Pashan Hill Quarry, Pune District, Maharashtra, India. Beautiful cluster of transparent green apophyllite crystals with steep, pyramidal terminations. No damage. Overall Size: 4x3x2.5 cm. Crystal Size: 5-15 mm. Price: $150

#40232 - Mineral: Apophyllite-(KF) and Stilbite on Quartz, Nasik, Maharashtra, India. New find of reddish apophyllite crystals (probably colored due to hematite inclusions) up to 36 mm across crystallized on all sides of finger-shaped formations of colorless druzy quartz. The cluster stands upright nicely and is complete all around. Overall Size: 6.5x6x5 cm. Crystal Size: 0.5-26.0 mm. Price: $175

#40231 - Mineral: Apophyllite-(KF) and Stilbite on Quartz, Nasik, Maharashtra, India. Exceptionally large square apophyllite crystal 52 mm across with bright red internal inclusion, probably of hematite, with colorless stilbite crystals up to 18 mm long around the sides. The apophyllite crystals are translucent and lustrous. Overall Size: 7x6.5x6 cm. Crystal Size: 2-52 mm. Price: $195

#44058 - Mineral: Apophyllite-(KF) with Stilbite-Ca on Heulandite-Ca, Pashan Hill Quarry, Pune District, Maharashtra, India. Spray of transparent green apophyllite crystals up to 22 mm long with lustrous crystal faces and steep pyramidal terminations, on matrix covered with lustrous white heulandite crystals up to 1 mm with a few colorless stilbite crystals to 7 mm long Overall Size: 6.5x3.5x3.5 cm. Crystal Size: 0.5-22.0 mm. Price: $250

#12244 - Mineral: Apophyllite-(KF), Datolite, Gmelinite, Stilbite-Ca, Bergen Hill, Hudson County, New Jersey. Classic suite of minerals from Bergen Hill: transparent-to-translucent colorless apophyllite crystals to 14 mm; lustrous transparent pale-green datolite crystals to 5 mm; pink bladed stilbite crystals to 3 mm and a small pocket lined with pink gmelinite. Ex. Frederick A. Canfield (1849-1926) collection #2697, ex. Ken Hogan (1919-2009) Overall Size: 8x6x3 cm. Crystal Size: micro to 14 mm. Price: $125

#42152 - Mineral: Aragonite, Podreçzny, Czech Republic. Elongated transparent colorless aragonite crystals in a spray-shaped cluster of diverging crystals mounted to an acrylic display base (I will remove the base upon request). The aragonite fluoresces under UV illumination. Ex. Robert C. Lambert #411; acquired in 1984 Overall Size: 4.5x3.5x2.5 cm. Crystal Size: 25-45 mm. Price: $150

#31734 - Mineral: Aragonite, Ironwood, Gogebic County, Michigan. Hemispherical crystal aggregates up to 15 mm diameter of pinkish white aragonite crystals lining several surfaces of irregular cavities in matrix. Ex. James G. Manchester (1871-1948) #1556; ex. Florence P. Manchester Overall Size: 11x8x7 cm. Crystal Size: 4-7 mm. Price: $300

#8309 - Mineral: Arfvedsonite (rare terminated crystal), Hurricane Mountain, east of Intervale, Carroll County, New Hampshire. Lustrous black prismatic arfvedsonite crystal with slightly striated crystal faces and well developed termination. Terminated arfvedsonite crystals are rare from Hurricane Mountain where they are commonly embedded in solid microcline. Ex. Thomas Penney of S. Lebanon, ME Overall Size: 32x10x8 mm. Crystal Size: 32 mm. Price: $175

#42896 - Mineral: Augelite, Rapid Creek, Yukon Territory, Canada. Large specimen of lustrous green augelite crystals scattered over several areas with microcrystals of ther phosphate minerals. The augelite crystals are transparent, pistachio-green color, with good size for this uncommon species. Overall Size: 11x10x6 cm. Crystal Size: micro to 8 mm. Price: $250

#48689 - Mineral: Axinite-(Fe), Puiva Mine, Subpolar Ural Mountains, Russia. Two parallel interconnected transparent brown axinite crystals with lustrous crystal faces and no matrix attached. Overall Size: 28x23x6 mm. Crystal Size: 28 mm. Price: $450

#12139 - Mineral: Azurite, Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona. Plate of matrix almost completely covered on one side with lustrous, dark blue azurite crystals from the most famous azurite locality in the U.S, now long closed. Overall Size: 8x5x3 cm. Crystal Size: 5-10 mm. Price: $150

#29869 - Mineral: Azurite, Touissit Mine, south of Oujda, Morocco. Lustrous crystals of dark blue azurite on limonite gossan matrix. The azurite crystals show translucency when rear-illuminated. Overall Size: 7x5x3 cm. Crystal Size: 5-25 mm. Price: $175

#42062 - Mineral: Azurite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Translucent dark-blue rhombohedral azurite crystals with minor remnants of matrix included in the bottom. The azurite crystals are sharp, well formed, with crystallization patters on the faces. Ex. Robert C. Lambert #78; acquired in 1997 from Classic Minerals Overall Size: 29x20x19 mm. Crystal Size: 2-20 mm. Price: $375

#42044 - Mineral: Azurite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Brilliantly lustrous vivid-blue azurite crystals on green malachite with yellow-green duftite. The bright blue color is due to the translucency of the azurite crystals that allow light to pass through the edges of the thin crystals. Ex. Robert C. Lambert #482; acquired in 1990 Overall Size: 4x2.5x2.5 cm. Crystal Size: micro to 6 mm. Price: $500

#41236 - Mineral: Azurite and Malachite, Milpillas Mine, Cuitaca, Sonora, Mexico. Large lustrous blue azurite crystals up to 19 mm long on contrasting green fibrous malachite matrix. This is the largest azurite crystal I obtained from this new find and areas near the base started to alter to malachite. Overall Size: 25x20x19 mm. Crystal Size: 2-19 mm. Price: $115

#41789 - Mineral: Azurite and Malachite with Malachite pseudomorphs after Cuprite, Bisbee, Warren District, Cochise County, Arizona. Lustrous vivid blue bladed azurite crystals to 8 mm on brown limonite gossan with fibrous green malachite crystals to 3 mm and sharp green malachite pseudomorphs after octahedral cuprite crystals to 1 mm scattered all over the rear. Ex. Robert C. Lambert #390 Overall Size: 9x7x6 cm. Crystal Size: 1-8 mm. Price: $4750

#41844 - Mineral: Azurite on Quartz, Manto Cuba Mine, Inca de Oro, Chile. Vivid blue bladed azurite crystals on milky quartz matrix with many smaller druzy azurite crystals. The larger azurite crystals are translucent, elongated, thin blades with fish-tail terminations indicating they are twinned through the middle. Ex. Robert C. Lambert #507 Overall Size: 10x7x6 cm. Crystal Size: 0.5-8.0 mm. Price: $150

#48691 - Mineral: Azurite with Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Exceptionally lustrous blue azurite crystal 24 mm across with transparent colorless calcite crystals to 2 mm on the rear. The azurite crystal shows flashes of transparent blue when rotated under strong illumination. Overall Size: 30x25x16 mm. Crystal Size: 1-24 mm. Price: $295

#41949 - Mineral: Azurite with Malachite, Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona. Lustrous dark-blue azurite crystals up to 3.5 mm across with a few crystals have a dull surface luster on select faces plus minor green malachite microcrystals. Accompanied by Segeler's pre-1989 label priced at $125. Ex. Robert C. Lambert #201; ex. Curt Segeler (1901-1989) Overall Size: 9x6x3 cm. Crystal Size: micro to 3.5 mm. Price: $250

#46650 - Mineral: Azurite with Malachite, La Sal District, San Juan County, Utah. Vivid-blue lustrous azurite crystals in spherical aggregates to 25 mm diameter on green malachite-rich gossan. Overall Size: 7.5x7x3.5 cm. Crystal Size: 1-4 mm. Price: $350

#42159 - Mineral: Azurite with Malachite, Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona. Lustrous blue azurite crystals up to 1 mm with minor green botryoidal malachite. The azurite crystals on the rear are not as lustrous, but are spherical aggregates to 6 mm diameter. The front of the specimen has excellent color and luster. Ex. Robert C. Lambert #177; acquired in 1994 Overall Size: 7x4.5x4 cm. Crystal Size: 1 mm. Price: $500

#41756 - Mineral: Azurite with Malachite, Bisbee, Warren District, Cochise County, Arizona. Lustrous blue azurite crystals in a parallel crystal grouping on thick green malachite matrix. The azurite is clean and lustrous on the front and rear, but the outer right edge is rough where it was attached to adjacent crystals (no longer present). Ex. Robert C. Lambert #501; ex. Chadbourn (1855-1920s) #289; ex. A.E. Foote (1846-1895) Overall Size: 7x7x5.5 cm. Crystal Size: 4-9 mm. Price: $650

#41749 - Mineral: Azurite with Malachite, Bisbee, Warren District, Cochise County, Arizona. Colorful cluster of lustrous blue azurite crystal up to 4 mm across in spherical rosettes up to 15 mm diameter mixed with powdery green malachite crystals in spherical aggregates up to 5 mm diameter. Ex. Robert C. Lambert #152 Overall Size: 9x5.5x3 cm. Crystal Size: 1-4 mm. Price: $950

#46045 - Mineral: Azurite with Malachite pseudomorphs after Cuprite, Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona. Lustrous vivid blue bladed azurite crystals to 5 mm on stalactitic brown limonite gossan with fibrous green malachite pseudomorphs after octahedral cuprite crystals up to 1 mm scattered all over the rear. The specimen is fully crystallized on all sides. Overall Size: 9x4x2.5 cm. Crystal Size: micro to 5 mm. Price: $350

#41788 - Mineral: Azurite with Malachite with Tenorite, Morenci Mine, Clifton District, Greenlee County, Arizona. Lustrous blue azurite crystals to 1 mm in spherical aggregates to 8 mm diameter on powdery green malachite with a few spherical aggregates to 6 mm diameter of sooty black tenorite or tenorite plus azurite. One of the azurite aggregates is incomplete. Ex. Robert C. Lambert #328; ex. Norm Pellman (1922-2004) Overall Size: 9x7x5.5 cm. Crystal Size: 0.2-1.0 mm. Price: $2750

#41849 - Mineral: Azurite, Malachite, Tenorite, Czar Mine (Czar Shaft), Bisbee, Warren District, Cochise County, Arizona. Sparkling cluster of dark blue azurite crystals to 3 mm with rosettes of green malachite microcrystals and botryoidal black tenorite crystalline aggregates to 3 mm diameter. The specimen is crystallized on front and side. Bottom is sawn. Ex. Robert C. Lambert #470; ex. Calvert Overall Size: 10x9x7 cm. Crystal Size: micro to 3 mm. Price: $950

#46112 - Mineral: Babingtonite in Calcite, Lane's Quarry, Westfield, Hampden County, Massachusetts. Large lustrous black babingtonite crystal in colorless calcite-filled cavity in basalt. The babingtonite crystals are sharp, well defined crystals with slightly striated faces. Babingtonite is the Massachusetts State Mineral. The bottom is sawn flat. Overall Size: 12x7x6 cm. Crystal Size: 3-12 mm. Price: $325

#45234 - Mineral: Barite, Saône-et-Loire, Burgundy, France. Lustrous yellow rhombohedral barite crystals with chisel-shaped terminations and complex crystallization patterns throughout. The barite crystals are large and clean with few imperfections, though two lesser crystals are incomplete. Overall Size: 8x8x5 cm. Crystal Size: 3-7 cm. Price: $125

#45769 - Mineral: Barite, Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois. Lustrous translucent barite crystals with color varying from blue-gray to pale yellow-beige. The barite crystals thick, bladed form with secondary edge faces. Overall Size: 11x8x6 cm. Crystal Size: 5-15 mm. Price: $150

#42180 - Mineral: Barite, Haydon Bridge, Northumberland, England. Transparent blue-gray barite crystals with lustrous crystal faces and red-brown hematite inclusions in the pointed terminations. The cluster displays nicely in several orientations. One crystal nestled in the bottom center is incomplete. Ex. Robert C. Lambert #381; Steve Chamberlain collection #5472; ex. William W. Jefferis (1820-1906) Overall Size: 7x3x3 cm. Crystal Size: 10-25 mm. Price: $250

#42202 - Mineral: Barite, Baia Sprie (Felsöbánya), Maramures, Romania. Transparent-to-translucent blue barite crystals on quartz-rich matrix. The barite crystals are tabular rhombohedral form with glassy crystal faces. Ex. Robert C. Lambert #383; acquired in 1997 Overall Size: 8x5x5 cm. Crystal Size: 3-33 mm. Price: $325

#42231 - Mineral: Barite, Frizington, Cumberland, England. Translucent blue barite crystals with red-brown hematite inclusions on the crystal edge faces. Ex. Robert C. Lambert #155; ex. Scott Williams Overall Size: 7x4x2.5 cm. Crystal Size: 12-45 mm. Price: $375

#41874 - Mineral: Barite, El Solar Mine, Level 4, Taxco, Guerrero, Mexico. Large cluster of lustrous transparent blue bladed barite crystals completely covering matrix with minor drusy quartz visible beneath the barite. The blue color is quite pronounced making this an attractive barite specimen. Ex. Robert C. Lambert #388 Overall Size: 15x12x6 cm. Crystal Size: 5-15 mm. Price: $750

#46439 - Mineral: Barite, Villamassargia, Carbonia-Iglesias, Sardinia, Italy. Translucent golden-brown barite crystals with tabular, rhombohedral form. The barite crystals have a satin luster on the edge faces and more lustrous prism faces. The barite crystal cover front, top and rear of matrix. Overall Size: 10x7x7 cm. Crystal Size: 5-12 mm. Price: $850

#39952 - Mineral: Barite on Apophyllite-(KF), Jalna, Maharashtra, India. New Find! Sparkling plate of colorless transparent apophyllite crystals up to 4 mm across in a thin, interconnected crust with large bladed rhombic barite crystals up to 19 mm across overgrown on the apophyllite. A very aesthetic formation. Overall Size: 10x8x2 cm. Crystal Size: 1-19 mm. Price: $250

#36755 - Mineral: Barite on Calcite, Meikle Mine, Elko County, Nevada. Transparent golden barite crystals with glassy crystal faces overgrown on greenish-gray calcite matrix. The many crystals intersecting at all angles, with lustrous surfaces, makes this a real eye-catcher. I searched through many to find one undamaged. Overall Size: 7x5x5 cm. Crystal Size: 1-3 cm. Price: $475

#45170 - Mineral: Barite on Calcite, Elk Creek, Meade County, South Dakota. Several lustrous transparent golden-brown barite crystals on yellow calcite-coated matrix. Both the calcite and barite fluoresce under UV illumination. For more information see: Famous Mineral Localities- Elk Creek, South Dakota in Min. Record v.18 #7. Overall Size: 7x6x5.5 cm. Crystal Size: 1-35 mm. Price: $650

#41784 - Mineral: Barite with Calcite, Elk Creek, Meade County, South Dakota. Slender golden barite crystals up to 40 mm long on calcite-coated brown matrix. The barite fluoresces white under UV illumination. Note the dome-shaped growth patterns on the barite surfaces. On crystal is restored. Ex. Robert C. Lambert #426 Overall Size: 9x8x5 cm. Crystal Size: 15-40 mm. Price: $400

#42088 - Mineral: Barite with Dolomite, Frizington, Cumberland, England. Elongated bi-colored barite crystal 53 mm long mounted to an acrylic display base for support and white dolomite crystals up to 7 mm across in a group on the right side and rear. The barite crystal is translucent yellow with blue-gray termination. Ex. Robert C. Lambert #596; acquired in 2000 Overall Size: 53x26x22 mm. Crystal Size: 3-53 mm. Price: $450

#41777 - Mineral: Barite with Hematite inclusions, Frizington, Cumberland, England. Translucent blue-gray barite crystals with red-brown hematite inclusions in some faces. The barite crystals have lustrous faces and are in groups of parallel crystals. One crystal is incomplete. Ex. Robert C. Lambert #63; ex. Smithsonian; ex. Carl Bosch (1874-1940); mined in 1883 Overall Size: 10x7x4 cm. Crystal Size: 1-60 mm. Price: $2500

#49197 - Mineral: Barite with Sulfur, Machów mine, Tarnobrzeg, Poland. Lustrous bladed translucent brown barite crystals to 10 mm with translucent yellow sulfur crystals to 1 mm sprinkled over the terminations of the barite crystals. Overall Size: 9.5x8x4.5 cm. Crystal Size: 1-10 mm. Price: $275

#36384 - Mineral: Benstonite, Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois. Large plate completely covered with white benstonite crystals front and rear. A 3 cm scalenohedral calcite crystal, also coated with benstonite, stands up off the plate. A great benstonite specimen from the now closed Illinois mining district. Overall Size: 15x10x4 cm. Crystal Size: 2-7 mm. Price: $795

#45458 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Lustrous transparent-to-translucent aquamarine crystals, the blue gem variety of the mineral species beryl, with minor limonite-stained albite included on one side. Overall Size: 3x2x1.5 cm. Crystal Size: 29-30 mm. Price: $125

#12428 - Mineral: Beryl var. Aquamarine, Skardu Road, Gilgit, Pakistan. Pale blue aquamarine beryl crystal (17 mm wide x 25 mm long) in white albite matrix. The beryl has been exposed on the top and side. The termination shows many rounded growth hillocks and has pyramidal modifications around the edges. No damage. Overall Size: 6x5x4 cm. Crystal Size: 25 mm. Price: $150

#46965 - Mineral: Beryl var. Aquamarine, Songo Pond Quarry, Albany, Oxford County, Maine. Tapered translucent aquamarine crystal, the blue variety of the mineral species beryl. The aquamarine crystal is a rich blue color that is typical of specimens from Songo Pond Q. The aquamarine crystal has irregular cross-section and not terminated. Overall Size: 10x3.2x2.5 cm. Crystal Size: 10 cm. Price: $175

#41402 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Glassy blue crystal of transparent aquamarine, the blue gem variety of the mineral species beryl. The crystal has clean crystal faces, complex termination, and classic Erongo-blue color that is unmatched from other localities. Overall Size: 28x19x16 mm. Crystal Size: 28 mm. Price: $175

#44411 - Mineral: Beryl var. Aquamarine, Mount Antero, Chaffee County, Colorado. Riker Mount containing 19 aquamarine crystals, the blue-green transparent gem variety of the mineral species beryl. Several crystals are quite gemmy, though few are terminated. Ex. Chas. W. Velte Jr. (1914-1987) collection Overall Size: 13x10x2 cm Riker Mount. Crystal Size: 11-29 mm. Price: $200

#44147 - Mineral: Beryl var. Aquamarine, Shigar Valley, Skardu District, Northern Areas, Pakistan. Single gem-grade aquamarine crystal, the blue gem variety of the mineral species beryl, with minor white albite on the sides. The upper half of the aquamarine crystal is internally flawless and the faces have a fine, microcrystalline texture. Overall Size: 48x18x13 mm. Crystal Size: 48 mm. Price: $300

#43724 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Single crystal of aquamarine, the blue gem variety of the mineral species beryl, with schorl tourmaline, albite and quartz crystals on the rear faces. The aquamarine crystal is hexagonal form with pinacoid termination modified by secondary edge faces. Overall Size: 35x24x23 mm. Crystal Size: 35 mm. Price: $325

#43709 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Many transparent-to-translucent aquamarine crystals, the blue gem variety of the mineral species beryl, on white albite crystals. The aquamarine beryl crystals are prismatice hexagonal form with flat pinacoid terminations and rich blue color. Overall Size: 6x5x2.5 cm. Crystal Size: 1-40 mm. Price: $450

#43254 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Terminated crystal of aquamarine, the blue gem variety of the mineral species beryl, with no matrix attached. The aquamarine crystal has excellent intense blue color and though it is internally flawed, has good translucency. Ex. Wein collection #8782 Overall Size: 49x30x23 mm. Crystal Size: 49 mm. Price: $500

#40253 - Mineral: Beryl var. Aquamarine, Shigar Valley, Skardu District, Baltistan, Pakistan. Large crystal of deep aquamarine, the blue-green gem variety of beryl, with remnants of white albite attached on a few faces. The crystal has excellent color and internal clarity with areas that are gem-grade and could produce large gemstones if faceted. Overall Size: 9.5x5x4 cm. Crystal Size: 9.5 cm. Price: $4000

#40143 - Mineral: Beryl var. Aquamarine in Albite, Skardu Road, Gilgit, Pakistan. Five aquamarine crystals, the blue-green gem variety of beryl, frozen in one face of white albite. All crystals are nearly flawless and four of the aquamarine crystals are doubly-terminated. Note the unusual crystallization patterns on the crystal faces. Overall Size: 8x5x4 cm. Crystal Size: 5 cm. Price: $975

#44014 - Mineral: Beryl var. Aquamarine with Albite, Skardu Road, Northern Areas, Pakistan. Translucent greenish aquamarine crystal, the blue gem variety of the mineral species beryl, with flat pinacoid termination that has complex interrupted growth in areas where it intersected white albite crystals but the beryl kept growing. Must be seen. Overall Size: 6x6x4 cm. Crystal Size: 60 mm. Price: $475

#37668 - Mineral: Beryl var. Aquamarine with Albite and Columbite-Fe, Konar Province, Afghanistan. Three translucent blue-green aquamarine variety of beryl on crystallized albite matrix with scattered crystals of black ferrocolumbite. The main aquamarine crystal is nicely exposed and has etched prism faces with lustrous pinacoid termination face. Overall Size: 6x3.5x3.5 cm. Crystal Size: 1-19 mm. Price: $115

#46166 - Mineral: Beryl var. Aquamarine with Muscovite, Nagar, Hunza Valley, Gilgit District, Northern Areas, Pakistan. Transparent hexagonal aquamarine crystals, the blue gem variety of the mineral beryl, with an area of muscovite mica crystals on one side. The aquamarine crystals are prismatic form with basal pinacoid terminations modified by secondary edge faces. Ex. Bob Holzer (1934-2009) collection Overall Size: 4x4x2.5 cm. Crystal Size: 4-40 mm. Price: $225

#40204 - Mineral: Beryl var. Aquamarine with Muscovite, Xuebaoding Mountain near Pingwu, Sichuan Province, China. Interconnected glassy blue translucent aquamarine variety of beryl crystals up to 30 mm across with a colorless transparent quartz crystal 22 mm long and minor muscovite. The aquamarine crystals are tabular, hexagonal form with secondary corner faces. Overall Size: 6x4.5x4 cm. Crystal Size: 1-30 mm. Price: $400

#43271 - Mineral: Beryl var. Aquamarine with Schorl Tourmaline, Erongo Mountains, 20 km north of Usakos, Namibia. Gemmy crystals of aquamarine, the blue-green gem variety of the mineral species beryl, with a few black schorl tourmaline crystals on one side. The aquamarine crystals are hexagonal prisms with pinacoid terminations. A crystal on the side is incomplete. Overall Size: 30x28x18 mm. Crystal Size: 1-30 mm. Price: $125

#39088 - Mineral: Beryl var. Emerald, Mount Dayakou tungsten mine, 6 km northeast of Mengdong village, Malipo County, Yunnan Province, China. Two unterminated elongated green emerald crystals (green gem variety of the mineral Beryl) in brown limonite-stained quartz matrix. One crystal stands upright off the quartz the other is embedded. The limonite staining can be removed with treatment. Overall Size: 11x10x4.5 cm. Crystal Size: 35-62 mm. Price: $375

#43859 - Mineral: Beryl var. Emerald in Calcite, La Pita Mine, Vasquez-Yacopi District, Colombia. Transparent emerald crystal, the green gem variety of the mineral beryl, in milky calcite matrix. The emerald crystal is prismatic hexagonal form modified by secondary edge and corner faces at the termination. Internally the color is medium green. Overall Size: 5x4x3.5 cm. Crystal Size: 13 mm. Price: $775

#43860 - Mineral: Beryl var. Emerald in Calcite, La Pita Mine, Vasquez-Yacopi District, Colombia. Transparent emerald crystal, the green gem variety of the mineral beryl, in milky calcite matrix. The emerald crystal is prismatic hexagonal form modified by a few secondary edge and corner faces at the termination. The color is deep-medium green. Overall Size: 5x2.5x2 cm. Crystal Size: 14 mm. Price: $795

#45759 - Mineral: Beryl var. Heliodor, Minas Gerais, Brazil. Gemmy heliodor crystal, the yellow gem variety of the mineral species beryl, with intense yellow color and glassy crystal faces. The upper third of the crystal is nearly flawless. Overall Size: 30x17x14 mm. Crystal Size: 30 mm. Price: $300

#48889 - Mineral: Beryl with Albite, Case Quarry, Portland, Middlesex County, Connecticut. Two tapered translucent green beryl crystals in white albite with remnants of almandine garnet included on the rear. The beryl crystals at this locality would taper from 4 mm at the wall zone to 150 mm (or more) at the core zone of the pegmatite. Overall Size: 11x9x3.5 cm. Crystal Size: 55-80 mm. Price: $150

#39869 - Mineral: Bournonite, Yaogangxian Tungsten Mine, Nanling Mountains, Hunan Province, China. Large single crystal of dark metallic bournonite with mirror-like surface luster. The main crystal is attached to other parallel crystals on the side resulting in striated appearance due to twinning. A good single of this mineral species. Overall Size: 3.5x2x1.5 cm. Crystal Size: 1-20 mm. Price: $225

#43560 - Mineral: Brazilianite, Corrego Frio, Minas Gerais, Brazil. (Type Locality for Brazilianite) An exceptionally large cluster covered on all sides with translucent yellow-green brazilianite crystals. The crystals near the outer edges have a dull luster, the crystals in the deeper pocket areas are lustrous with deeper color. A BIG cluster! Overall Size: 25x14x11 cm. Crystal Size: 5-50 mm. Price: $3500

#39875 - Mineral: Brookite on Quartz, Magnet Cove, Hot Spring County, Arkansas. Large cluster of slender, gray quartz crystals up to 50 mm long with many black brookite crystals up to 6 mm across scattered throughout the specimen. This is one of the largest and richest brookite + Quartz clusters I've seen from Magnet Cove. Ex. Earl Calvert #2199 Overall Size: 13x9x6 cm. Crystal Size: 1-50 mm. Price: $400

#46614 - Mineral: Brucite, Texas, State Line District, Lancaster County, Pennsylvania. Large bladed crystals of translucent brucite up to 5 cm with whitish coating of hydromagnesite(?) microcrystals on the faces. With old Harvard label and corresponding number on the specimen. Ex. Harvard University Mineralogical Museum #80344 Overall Size: 12x8x5 cm. Crystal Size: 15-50 mm. Price: $1500

#43569 - Mineral: Calcite, Berry Materials Quarry, North Vernon, Jennings County, Indiana. Transparent golden calcite crystals on limestone matrix. The calcite crystals are complex parallel rhombohedrons with silky surface luster. Overall Size: 5x3.5x3.5 cm. Crystal Size: 1-30 mm. Price: $125

#42068 - Mineral: Calcite, Nan Jing Mine, Hunan, China. Superb specimen of transparent colorless calcite crystals with prismatic hexagonal form and three-faced pyramidal termination. The calcite crystals are remarkably transparent and have shallow reflective internal flaws. Ex. Robert C. Lambert #142; acquired in 2002 Overall Size: 4.5x3x2 cm. Crystal Size: 2.5-4.5 cm. Price: $150

#45996 - Mineral: Calcite, Aurora, Kane County, Illinois. Parallel cluster of transparent colorless calcite crystals with silky surface luster. The calcite crystals are rhombohedral form with shallow secondary edge faces throughout. This specimen probably came from the old quarry on the north side of town. Ex. Hugh Ford (1885-1966) Overall Size: 6.5x4.5x4 cm. Crystal Size: 10-38 mm. Price: $175

#46982 - Mineral: Calcite, Dalnegorsk, Primorskij Kraj, Russia. Parallel transparent colorless calcite crystals that fluoresce orange under UV illumination. The calcite crystals are flattened rhombohedral form with hexagonal faces on the outer edges. Overall Size: 6x5.5x4 cm. Crystal Size: 35-60 mm. Price: $175

#43959 - Mineral: Calcite, Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri. Large translucent yellow scalenohedral calcite crystal with minor matrix on one bottom edge. The calcite is a rich yellow color and the crystal surfaces are composed of many smaller, parallel crystal faces. The termination is complete and undamaged. Collected in 2008 Overall Size: 17x8x9 cm. Crystal Size: 13 cm. Price: $350

#41835 - Mineral: Calcite, Egremont, Cumbria, England. Elongated plate of transparent colorless calcite crystals with classic scalenohedral form with rhombohedral termination faces. A few crystals have red hematite microcrystal inclusions. Ex. Robert C. Lambert #159 Overall Size: 13x7x4.5 cm. Crystal Size: 5-17 mm. Price: $375

#46608 - Mineral: Calcite, Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania. Limonite-stained golden-yellow calcite crystals on massive calcite matrix. Overall Size: 13x11x6 cm. Crystal Size: 10-60 mm. Price: $400

#46638 - Mineral: Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania. Limonite-stained golden-yellow transparent calcite crystals twinned through the center of the crystals. The largest crystal has two smaller parallel calcite crystals growing off the top edge at the twin composition plane. Overall Size: 8x6x5 cm. Crystal Size: 1-27 mm. Price: $150

#41829 - Mineral: Calcite (twinned crystals), Leiping, Hunan, China. V-twinned transparent calcite crystals 25 mm long on matrix covered with smaller calcite crystals. The calcite is colored red-brown with hematite inclusions. Ex. Robert C. Lambert #439 Overall Size: 10x4.5x4 cm. Crystal Size: 3-25 mm. Price: $175

#45666 - Mineral: Calcite (twinned crystals), Sokolovskiy-Sarbaiskiy Mine, Rudnyy, Kustanay Oblast, Kazakhstan. Flawless yellow rhombohedral calcite crystals on plate of matrix. There are five individual calcite crystals that are all are interpenetrant twinned - this locality is famous for this classic formation. Overall Size: 6.5x4x4 cm. Crystal Size: 15-30 mm. Price: $300

#45667 - Mineral: Calcite (twinned crystals), Sokolovskiy-Sarbaiskiy Mine, Rudnyy, Kustanay Oblast, Kazakhstan. Flawless yellow rhombohedral calcite crystals with no matrix. The two calcite crystals have faint crystallization patterns on the surfaces and are interpenetrant twinned - a classic formation from this locality. Overall Size: 5x3.5x3 cm. Crystal Size: 24-30 mm. Price: $300

#46637 - Mineral: Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania. Matrix specimen of two large translucent C-axis twinned golden calcite crystals perched on a plate covered with smaller golden calcite. A rare matrix specimen for this locality. Overall Size: 21x15x9 cm. Crystal Size: 5-55 mm. Price: $350

#46640 - Mineral: Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania. Exceptionally large translucent yellow calcite crystal with repeated twinning through the middle of the cluster. This crystal originally had limonite-coated faces but the collector cleaned the crystals with mild HCL resulting in lustrous crystal faces. Overall Size: 11x10x9 cm. Crystal Size: 110 mm. Price: $400

#46620 - Mineral: Calcite (twinned crystals), Thomasville Crushed Stone Quarry, Jackson Township, York County, Pennsylvania. Transparent-to-translucent yellow twinned calcite crystals with iridescent crystal faces. Overall Size: 6x5x3.5 cm. Crystal Size: 45 mm. Price: $400

#46607 - Mineral: Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), York, York County, Pennsylvania. Large twinned crystals of golden-yellow calcite with silky surface luster throughout. Overall Size: 10x8x7 cm. Crystal Size: 5-75 mm. Price: $500

#41778 - Mineral: Calcite (twinned crystals), Bigrigg Mine, Egremont, Cumbria, England. Transparent colorless V-twinned calcite crystals mounted to an acrylic stand (I will remove if requested). The twin plane is easily visible with reentrant faces forming a V-shaped notch on the edge. There is a ding on the front and a chip on the rear. Ex. Robert C. Lambert #51 Overall Size: 7x5x3.5 cm. Crystal Size: 50 mm. Price: $2500

#43774 - Mineral: Calcite (twinned crystals) with native Copper, Cumberland, England. Transparent colorless V-twinned calcite crystals with arborescent native copper crystals included in the base. The twin plane is easily visible with reentrant faces forming a V-shaped notch on the edge. One rear edge has a small cleavage face. Ex. Chas. W. Velte Jr. (1914-1987) collection #726 (no label) Overall Size: 43x33x13 mm. Crystal Size: 1-40 mm. Price: $550

#24571 - Mineral: Calcite on Calcite, Shullsburg District, Lafayette County, Wisconsin. Classic Shullsburg calcite with a large scalenohedral calcite 95 mm long with parallel overgrowth of a second generation of rhombohedral calcite crystals to 10 mm and topped with a large single crystal 40 mm across on the tip. Overall Size: 10.5x7x6 cm. Crystal Size: 1-95 mm. Price: $225

#48712 - Mineral: Calcite on Fluorite, Denton Mine, Sub-Rosiclare Level, Harris Creek District, Hardin County, Illinois. Large single crystal of transparent golden-brown calcite over remnants of purple fluorite. The calcite crystal has luster varying from waxy to vitreous. The calcite crystal is compound rhombohedral form with complex secondary faces on edges. Overall Size: 6.5x5x4.5 cm. Crystal Size: 65 mm. Price: $125

#48863 - Mineral: Calcite on Prehnite, Millington Quarry, Bernards Township, Somerset County, New Jersey. Large (for the locality) transparent yellow calcite crystals to 42 mm on gray basalt coated with translucent green prehnite. The calcite crystals have subtle crystallization patterns on the faces and were cleaned in weak HCL giving then silky luster. Overall Size: 10x7.5x7 cm. Crystal Size: 14-42 mm. Price: $395

#45674 - Mineral: Calcite on Smoky Quartz, roadcut near Haddam Neck, Middlesex County, Connecticut. Rounded knob of sparkling smoky quartz crystals with scalenohedral calcite crystals up to 25 mm. This was obtained directly from Mr. Kramer, a prolific field collector. Exact location is unknown, but is similar to Cinque Quarry specimens. Overall Size: 12x7x5 cm. Crystal Size: 2-25 mm. Price: $150

#43477 - Mineral: Calcite on Sphalerite with Quartz, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Hexagonal tan-colored calcite crystal 20 mm long, with surfaces coated with smaller calcite crystals on the surfaces (pseudo?), on lustrous black Spinel-law twinned sphalerite crystals up to 9 mm across plus a few milky quartz crystals up to 15 mm long. Overall Size: 8x6x6 cm. Crystal Size: 0.5-20.0 mm. Price: $225

#42827 - Mineral: Calcite var. Manganoan, Erma Reka Mine, Zlatograd, Smolyan Oblast, Bulgaria. Large cluster of translucent pink calcite crystals that fluoresce orange under UV illumination. The calcite crystals are scalenohedral form with rhombohedral terminations. The pink color is due to manganese impurities (manganoan calcite). Overall Size: 20x14x9 cm. Crystal Size: 1-5 cm. Price: $450

#23591 - Mineral: Calcite with Dioptase and Duftite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Double-sided specimen with rhombic crystals of olive-green calcite up to 18 mm with thin coating on selected faces of green duftite up to .2 mm and translucent green dioptase up to 1.5 mm. The calcite fluoresces orange under UV illumination. Ex. Michael D. McMillan collection (S. Africa) Overall Size: 13x10x6 cm. Crystal Size: .2-18 mm. Price: $450

#45893 - Mineral: Calcite with Dioptase inclusions, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Transparent rhombohedral lustrous pale-yellow calcite crystals to 10 mm across with green dioptase crystals included inside the calcite. Where the dioptase crystals are exposed around the edges they can be see to be highly transparent 1-2 mm crystals. Overall Size: 11x7x4 cm. Crystal Size: 1-10 mm. Price: $475

#42234 - Mineral: Calcite with Hedenbergite inclusions, Nikolaevskiy Mine, Dalnegorsk, Primorskij Kraj, Russia. Flawless scalenohedral single calcite crystal with glassy crystal faces and greenish hair-like hedenbergite inclusions throughout. The crystal edges have many complex secondary crystal faces that are not commonly seen in calcite. Ex. Robert C. Lambert #541; acquired in 1999 from D. Trinchillo Overall Size: 5x4x2 cm. Crystal Size: 2-50 mm. Price: $450

#43349 - Mineral: Calcite with Limonite, Idarado Mine, Ouray District, San Miguel County, Colorado. Translucent gray calcite crystals up to 20 mm long coated with brown limonite on all faces. The calcite crystals are complex form and arranged in chain-like interconnected formations up to 80 mm long. Overall Size: 8x5x3 cm. Crystal Size: 5-20 mm. Price: $165

#41897 - Mineral: Calcite with Malachite inclusions, Shaba Copper Belt, Democratic Republic of the Congo (Zaire). Dark green fibrous malachite crystals to 1 mm long overgrown with, and included within, transparent calcite crystals up to 3 mm across. A second generation of translucent yellow calcite crystals to 25 mm long surround the malachite-included calcite. Ex. Robert C. Lambert #347; ex. B. Lipman Overall Size: 9x6x5 cm. Crystal Size: 1-25 mm. Price: $400

#41859 - Mineral: Calcite with internal phantom-growths, Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri. Classic calcite specimen from when the Sweetwater Mine was producing large calcite crystals, with elongated translucent yellow scalenohedral calcite crystals with pyrite-coated internal phantom-growths visible when rear-illuminated. Ex. Robert C. Lambert #361 Overall Size: 19x10x6 cm. Crystal Size: 2-12 cm. Price: $500

#41354 - Mineral: Calcite, Datolite, Calcite, Heulandite, Stilbite, Prospect Park Quarry, Prospect Park, Passaic County, New Jersey. Unusually large translucent yellow calcite crystals up to 60 mm across with colorful green translucent datolite crystals up to 23 mm across, brown stilbite crystals to 12 mm long and colorless heulandite crystals to 5 mm and colorless calcite to 7 mm. Collected in 2008 Overall Size: 13x10x7 cm. Crystal Size: 1-60 mm. Price: $175

#41975 - Mineral: Cassiterite (twinned crystals), Viloco Mine (Araca mine), Loayza Province, La Paz Department, Bolivia. Large crystals of translucent yellow-brown cassiterite with several pairs of V-twinned crystals including the largest crystals. These cassiterite crystals have better-than-average internal translucency and the crystals have only scattered edge wear. Ex. Robert C. Lambert #533 Overall Size: 4.5x3.5x3 cm. Crystal Size: 2-22 mm. Price: $175

#43377 - Mineral: Cassiterite (twinned crystals) on Muscovite, Xuebaoding Mountain near Pingwu, Sichuan Province, China. Highly lustrous black cassiterite crystals up to 22 mm across on matrix of silvery muscovite mica crystals up to 3 mm. The cassiterite crystals are twinned on a central plane running through the middle and have striated crystal faces. Overall Size: 4.5x2.5x2.5 cm. Crystal Size: 1-22 mm. Price: $475

#42155 - Mineral: Cassiterite and Quartz, Huanuni District, Dalence Province, Oruro Department, Bolivia. Lustrous black cassiterite crystals up to 8 mm long intermixed with frosted milky quartz crystals up to 7 mm long. The cassiterite shows translucent yellow-brown color around the edges where they are thinnest. Ex. Robert C. Lambert #534; acquired in 1998 Overall Size: 5x4x3 cm. Crystal Size: 1-8 mm. Price: $150

#40130 - Mineral: Cavansite on Stilbite, Wagholi Quarry, Maharashtra, India. Rich specimen with many hemispherical cavansite crystal aggregates up to 16 mm diameter on tan-colored translucent stilbite crystals up to 10 mm long with colorless quartz microcrystals. The cavansite has intense blue-green color that defies photography. Overall Size: 7x6.5x4 cm. Crystal Size: 1-10 mm. Price: $575

#41816 - Mineral: Celestine, Hammam Zriba, Zaghaoun, Tunisia. Translucent blue celestine crystals (celestite) with no matrix attached. The terminations of the celestine crystals have brick-red hematite inclusions. These were sold years ago by Weinrich mislabeled as barite, but were correctly identified in 1999. Ex. Robert C. Lambert #479 Overall Size: 5x4x1.2 cm. Crystal Size: 2.5-4.0 cm. Price: $135

#41900 - Mineral: Celestine, Sankoany Deposit, near Ketsepy, Mahajanga Province, Madagascar. Transparent blue celestine (celestite) crystals with glassy crystal faces lining a shallow cavity. A large central crystal has excellent deep color and is nicely situated in the pocket. The large crystal has a crystallized contact on one corner. Ex. Robert C. Lambert #354 Overall Size: 7x6x4 cm. Crystal Size: 4-25 mm. Price: $165

#41853 - Mineral: Celestine, Sankoany Deposit, near Ketsepy, Mahajanga Province, Madagascar. Rich cluster of prismatic blue-gray celestine (celestite) crystals with glassy crystal faces. The largest celestine crystals are water-clear, internally flawless. This is a portion of a hollow geode formation from the famous celestine locality. Ex. Robert C. Lambert #301; ex. Zweibels Overall Size: 17x13x10 cm. Crystal Size: 3-35 mm. Price: $275

#45564 - Mineral: Celestine var. Sand Celestite, Ungoza Mountain, Mangyshlak Peninsula, Mangistau Oblast', Kazakhstan. Large cluster of Sand Celestite crystals, prismatic celestine (celestite) crystals with inclusions of gray sand making them opaque. The cluster is fully crystallized all around with only a few small attachment points. Overall Size: 7x7x6 cm. Crystal Size: 5-35 mm. Price: $175

#40716 - Mineral: Cerussite, Flux Mine, Harshaw District, Patagonia Mountains, Santa Cruz County, Arizona. Large, heavy cluster of prismatic white cerussite crystals fully crystallized all around with no matrix, only a few dark remnants where it contacted the pocket wall. This is a large specimen for this locality that more commonly produced small clusters. Overall Size: 10x7x4 cm. Crystal Size: 5-24 mm. Price: $325

#42100 - Mineral: Cerussite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Sixling-twinned colorless cerussite crystals mounted to an acrylic base for support. The cerussite crystals have lustrous, complex faces with gray galena inclusions on the rear where they were attached to matrix. The lower left corner is incomplete. Ex. Robert C. Lambert #21; ex. Zweibels in 1976 Overall Size: 6x4x2.5 cm. Crystal Size: 4-32 mm. Price: $2750

#41804 - Mineral: Cerussite (reticulated), Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Translucent pale gray-brown cerussite crystals repeatedly twinned at 120° angles resulting in reticulated formation that is unique to cerussite. The cerussite crystals are lustrous, with remnants of Cu-rich gossan on the rear and are mounted on a base. Ex. Robert C. Lambert #118; ex. Zweibels Overall Size: 6.5x4.5x2.5 cm. Crystal Size: 5-40 mm. Price: $3000

#41080 - Mineral: Cerussite (twinned crystals), Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Double-sided specimen of reticulated translucent-to-transparent gray cerussite crystals with no matrix attached. The reticulation is due to repeated 60 degree twinning, typical of cerussite. Most of the cerussite crystals are complete and undamaged. Overall Size: 5.5x4x2 cm. Crystal Size: 2-32 mm. Price: $225

#46274 - Mineral: Cerussite (twinned crystals), Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large translucent gray cerussite crystals twinned at 60° angles forming six-pointed star-shaped groupings commonly called sixling-twins. Remnants of earthy gray galena matrix is included in the bottom. Ex. Bob Holzer (1934-2009) collection Overall Size: 7x5x4 cm. Crystal Size: 5-42 mm. Price: $400

#42440 - Mineral: Cerussite on Barite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Translucent gray-brown cerussite crystals up to 30 mm long on pink-orange barite. An early generation of limonite-coated cerussite is visible between the later translucent cerussite crystals. Ex. V. Yount Overall Size: 8x4.5x4 cm. Crystal Size: 3-30 mm. Price: $225

#42239 - Mineral: Chalcocite with Chalcopyrite-Bornite coating, Flambeau Mine, Lucky Friday Pocket, 402-1000 Level, Ladysmith, Rusk County, Wisconsin. Many twinned chalcocite crystals with dark coating of iridescent chalcopyrite-bornite on the surfaces. The specimen is fully crystallized on all sides with no point of attachment. For more information on the locality see: The Flambeau Mine in RM v.72 #5. Ex. Robert C. Lambert #87; acquired in 1999; ex Scott Williams Overall Size: 7x4x3.5 cm. Crystal Size: 1-10 mm. Price: $650

#42829 - Mineral: Chalcopyrite, Galena and Quartz, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Large specimen of yellow-metallic chalcopyrite crystals up to 27 mm across on silver-metallic cubo-octahedral galena crystals up to 12 mm and translucent quartz crystals to 22 mm long. Overall Size: 18x16x9 cm. Crystal Size: 3-27 mm. Price: $475

#38449 - Mineral: Chalcopyrite, Galena, Calcite, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Very large plate of lustrous cubic gray metallic galena crystals up to 10 mm across interspersed with yellow metallic chalcopyrite crystals up to 22 mm across. Selected edges of the galena crystals are coated with small 1 mm colorless calcite crystals. Overall Size: 21x14x4 cm. Crystal Size: 1-22 mm. Price: $400

#42828 - Mineral: Chalcopyrite, Galena, Sphalerite and Quartz with Hedenbergite inclusions, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Large specimen of yellow-metallic chalcopyrite crystals up to 10 mm across on silver-metallic cubic galena crystals up to 20 mm and translucent quartz crystals to 10 mm long with green hedenbergite inclusions plus minor black sphalerite crystals to 5 mm. Overall Size: 23x11x10 cm. Crystal Size: 3-20 mm. Price: $600

#42688 - Mineral: Chalcopyrite, Galena, Sphalerite, Pyrite, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Showy cluster of large yellow metallic chalcopyrite crystals up to 10 mm across with gray metallic galena cubo-octahedral galena crystals to 12 mm and lustrous black Spinel-law twinned sphalerite crystals to 7 mm and small yellow metallic pyrite to 3 mm. Overall Size: 11x8x5.5 cm. Crystal Size: 1-12 mm. Price: $225

#45677 - Mineral: Chrysocolla with Quartz coating, Twin Buttes Mine, south of Tucson, Pima County, Arizona. Thin crusts of botryoidal bluish-green chrysocolla with partial coating of sugar-like colorless translucent drusy quartz that shows the blue chrysocolla color underneath. Originally acquired in 1990 from the Lesnicks Overall Size: 7.5x6x6 cm. Crystal Size: 0.5 mm. Price: $125

#43828 - Mineral: Clinoclase, Majuba Hill, Pershing County, Nevada. Lustrous dark-blue clinoclase crystals covering one face of greenish matrix with a clinoclase-filled vein on the rear. The clinoclase formed in a thin vein and the lighter blue areas are where the vein pinched down contacting the crystals. Overall Size: 6.5x5x4 cm. Crystal Size: 0.5-2.0 mm. Price: $300

#43851 - Mineral: Clinoclase and Cornubite, Majuba Hill, Pershing County, Nevada. Lustrous blue-black clinoclase crystals up to 3 mm long with pale-green cornubite microcrystals coating one face of matrix. Under magnification individual clinoclase show excellent transparency. The cluster sits upright without additional support. Overall Size: 7x5.5x3.5 cm. Crystal Size: micro to 3 mm. Price: $325

#43833 - Mineral: Clinoclase and Cornwallite, Majuba Hill, Pershing County, Nevada. Lustrous blue-black clinoclase crystals up to 1.5 mm across on translucent forest-green cornwallite microcrystals. The cluster sits upright on edge without additional support. Overall Size: 10x7x6 cm. Crystal Size: micro to 1.5 mm. Price: $175

#43850 - Mineral: Clinoclase and Cornwallite, Majuba Hill, Pershing County, Nevada. Lustrous blue-black clinoclase crystals up to 1.5 mm across with small areas of translucent forest-green cornwallite microcrystals. The cluster sits upright without additional support. Overall Size: 7.5x5.5x4 cm. Crystal Size: 0.5-1.5 mm. Price: $195

#43829 - Mineral: Clinoclase, Cornubite, Cornwallite, Majuba Hill, Pershing County, Nevada. Large specimen with many cavities lined with lustrous blue-black clinoclase crystals up to 3.5 mm across on pale green cornubite and translucent forest-green cornwallite microcrystals. The cluster sits upright on edge without additional support. Overall Size: 11x10x3 cm. Crystal Size: micro to 3 mm. Price: $475

#44208 - Mineral: Clinohumite and Clinochlore, near Ladjuar Madan, Sar-e-sang, Badakshan, Afghanistan. Translucent wine-red clinohumite crystals to 20 mm long with mica-like transparent greenish clinochlore crystals to 12 mm in whitish serpentine mineral, possibly palygorskite. Overall Size: 6x5.5x5 cm. Crystal Size: 1-20 mm. Price: $375

#46606 - Mineral: Clinozoisite in Quartz, Keystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania. Several elongated dark-green clinozoisite crystals embedded in milky quartz. The clinozoisite was deformed post-crystallization and the segments were frozen in position in the quartz. Repaired Overall Size: 10x7x5 cm. Crystal Size: 26-65 mm. Price: $450

#36522 - Mineral: Copper (Spinel-law Twins), Dzezkazgan, Qarqaraly (Karaganda), Kazakhstan. Vertical formation of sharp, well defined copper crystals growing off a central copper crystal spine. The elongated, diamond-shaped copper crystals are indicative of Spinel-law twinning. The cluster is fully crystallized all around. Overall Size: 51x13x6 mm. Crystal Size: 1-45 mm. Price: $250

#46683 - Mineral: Copper (Spinel-law twinned crystals), Ray Mine, Mineral Creek District, Pinal County, Arizona. Sharp crystals of native copper in arborescent formation fully crystallized on all surfaces with natural green patina throughout. The copper crystals are elongated, pointed form the result of Spinel-law twinning. Overall Size: 60x25x8 mm. Crystal Size: 2-16 mm. Price: $250

#41253 - Mineral: Copper (crystallized), Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan. Large crystals of native copper with minor crystals of translucent colorless calcite in the crevices. The copper crystals have sharp, well defined faces with irregular forms and dark tenorite surface coating throughout. Note the large crystal size! ex. Scott Williams ca. 1950 Overall Size: 8x7x7 cm. Crystal Size: 1-55 mm. Price: $650

#44897 - Mineral: Copper (crystallized), National Mine, Rockland, Keweenaw Peninsula Copper District, Ontonagon County, Michigan. Large, well defined crystals of native copper with striated faces from parallel growth hillocks. The native copper crystals have bright metallic patina and minor quartz included in crevices. Ex. Chas. W. Velte Jr. (1914-1987) collection #388 Overall Size: 6.5x4x3 cm. Crystal Size: 1-24 mm. Price: $650

#45725 - Mineral: Copper (crystallized), Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Finely crystallized native copper crystals in a sculptural formation that is fully crystallized on all surfaces with no point of attachment. This is a genuine Tsumeb copper specimen -- not from nearby Onganja. Overall Size: 4.5x3x2 cm. Crystal Size: 0.8-10.0 mm. Price: $650

#45785 - Mineral: Copper (crystallized) with Chrysocolla, Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan. Crystallized native copper with reddish patina and blue-green chrysocolla in the crevices. The copper crystals are large and well defined. Overall Size: 5x3x1.5 cm. Crystal Size: 3-10 mm. Price: $295

#45481 - Mineral: Copper (crystallized) with Epidote, Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan. Well crystallized native copper in crystals up to 14 mm across with a crust of translucent green epidote microcrystals on one side. The copper crystals are dodecahedral habit with trapezohedral secondary faces. One bottom side has saw marks. Ex. Academy of Natural Sciences of Philadelphia collection #22665; donated by S. B. Whiting (Calumet & Hecla Mine manager from 1892-93) Overall Size: 5x4.5x3 cm. Crystal Size: 2-14 mm. Price: $875

#42160 - Mineral: Copper and Calcite, Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan. Transparent scalenohedral colorless calcite crystals to 28 mm long with bright metallic copper inclusions visible inside and crystallized native copper crystals to 5 mm with natural patina surrounding the calcite. Two calcite crystals are cleaved. Ex. Robert C. Lambert #52; ex. L. H. Conklin; ex. Smithsonian #75802 Overall Size: 6x6x4 cm. Crystal Size: 1-28 mm. Price: $950

#37920 - Mineral: Copper with Cuprite coating, Mufulira Mine, Zambian Copper Belt, Zambia. Crystallized native copper in a dense mass intergrown with minor milky quartz. The copper crystals are all coated with a reddish cuprite microcrystalline coating, obscuring the sharp crystal faces. Overall Size: 6x4.5x5 cm. Crystal Size: 0.2-4.0 mm. Price: $150

#41993 - Mineral: Copper with Malachite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Arborescent formation of metallic native copper crystals up to 10 mm long with rounded coatings of velvet-like green malachite crystals. The malachite coats about half of the copper. The specimen is mounted to an acrylic display base. Ex. Robert C. Lambert #490; ex. Bruce Museum (Stamford, Ct.) in 1990 Overall Size: 4x2x2 cm. Crystal Size: 0.2-10.0 mm. Price: $150

#42025 - Mineral: Corundum var. Ruby, Jagdalek, Sorobi, Kopica, Afghanistan. Translucent ruby crystals, the pink gem variety of the mineral species corundum, with remnants of marble on the rear. The ruby crystals are pseudo octahedral form and in parallel orientation. The crystal faces show crystallization lines on most crystals. Ex. Robert C. Lambert #316; acquired in 2000 Overall Size: 3.5x2.5x3 cm. Crystal Size: 5-14 mm. Price: $375

#46755 - Mineral: Cuprite and Native Copper, Ray Open Pit Mine, Mineral Creek District, Pinal County, Arizona. Aesthetic specimen of bright metallic native copper crystals in arborescent formation to 5 mm long intergrown with translucent dark-red cuprite crystals to 3.5 mm across. Ex. Robert P. Bates (1926-2008) collection #730 Overall Size: 29x23x5 mm. Crystal Size: 0.2-3.5 mm. Price: $110

#43184 - Mineral: Cuprite on Chrysocolla, Mashamba West Mine, Kolwezi District, Democratic Republic of the Congo (Zaire). Translucent dark-red octahedral cuprite crystals on light-green chrysocolla-coated matrix. The cuprite crystals have a metallic luster, but the crystals show translucency when rear-illiminated. Overall Size: 7x5.5x4 cm. Crystal Size: 3-15 mm. Price: $495

#42004 - Mineral: Cuprite with Malachite coating, Onganja, Seeis, Khomas, Namibia. Large dark-red translucent cuprite crystals with surface coating of fibrous green malachite microcrystals. The cuprite crystals have flat contacts/cleavage faces on front and rear where they were attached to adjacent crystals. Large crystals! Ex. Robert C. Lambert #532; ex. J. Cilen (1916-1997) #5820 Overall Size: 5x3.5x3.5 cm. Crystal Size: 3-4.5 cm. Price: $750

#45171 - Mineral: Cuprite with Malachite on Chrysocolla, Mashamba West Mine, Kolwezi District, Democratic Republic of the Congo (Zaire). Translucent dark-red cuprite crystals up to 10 mm across on green chrysocolla with green fibrous malachite crystals to 4 mm long on one face of matrix. The cuprite crystals have a sub-metallic luster and have smooth crystal faces. Overall Size: 10.5x5x3 cm. Crystal Size: 1-10 mm. Price: $500

#45783 - Mineral: Datolite and Calcite on Quartz, Upper New Street Quarry, Paterson, Passaic County, New Jersey. Superb lustrous green datolite crystal 15 mm across on colorless quartz crystals to 3 mm long with a large 18 mm translucent colorless pseudocubic calcite crystal with silky surface luster. Overall Size: 5x3.5x3 cm. Crystal Size: 1-18 mm. Price: $125

#49275 - Mineral: Datolite pseudomorph after Anhydrite with Analcime, Millington Quarry, Bernards Township, Somerset County, New Jersey. Translucent pale yellow-green datolite crystals to 6 mm with lustrous crystal faces that are white on select faces. The datolite formed a hollow pseudomorph after a tapered 55 mm anhydrite crystal, then lustrous white analcime crystals to 9 mm formed. Overall Size: 16x9x8 cm. Crystal Size: 3-9 mm. Price: $125

#48883 - Mineral: Datolite with Chalcopyrite, Millington Quarry, Bernards Township, Somerset County, New Jersey. Part of a hollow cavity composed completely of translucent pale-green datolite crystals to 10 mm with several iridescent striated metallic chalcopyrite crystals (identification based on morphology) deep inside the cavity. Overall Size: 8.5x7.5x7 cm. Crystal Size: 0.5-10.0 mm. Price: $150

#41049 - Mineral: Diamond (1.21 carat intergrown colorless cubic crystals), Magna Egoli Mine, Zimmi property along the Sewa River, Sierra Leone. Three intergrown colorless transparent diamond crystals with cubic crystal shape and crystal faces composed of many smaller dodecahedral faces giving it sparkling surfaces with depressed, indented faces. Overall Size: 7x5x5 mm. Crystal Size: 3-4 mm. Price: $400

#41966 - Mineral: Dioptase, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large single crystal of emerald-green dioptase with no matrix attached and a few smaller crystals around the edges. The corners of the crystal are transparent, the centers have cloudy zones that appear to made of minute negative cavities or bubbles. Ex. Robert C. Lambert #117; ex. Zweibels in 1983 Overall Size: 26x19x15 mm. Crystal Size: 2-26 mm. Price: $650

#42188 - Mineral: Dioptase, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Lustrous emerald-green dioptase crystals in finger-like aggregates up to 20 mm high standing vertically off calcite-coated matrix. The dioptase crystals are transparent and have classic rich-green color that makes Tsumeb dioptase famous. Ex. Robert C. Lambert #230; ex. Zweibels in 1976 Overall Size: 7x4x4 cm. Crystal Size: 1-5 mm. Price: $2750

#48871 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Several large translucent emerald-green lustrous dioptase crystals on a rhombic cleavage of colorless translucent calcite. One dioptase crystal on the upper rear has irregular surfaces on the rear where it was attached to surrounding calcite. Overall Size: 20x18x14 mm. Crystal Size: 1-9 mm. Price: $300

#42184 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Lustrous emerald-green dioptase crystals to 9 mm long on colorless rhombohedral calcite crystals up to 3 mm cross on one face of matrix. The dioptase crystals are internally transparent with vivid color on all crystals. Ex. Robert C. Lambert #377; acquired in 2000 Overall Size: 6x3x2 cm. Crystal Size: 0.5-9.0 mm. Price: $400

#44528 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Brilliantly lustrous emerald-green dioptase crystals up to 9 mm across on colorless calcite and dolomite crystals up to 6 mm across. The dioptase crystals are internally translucent with excellent, deep color. Ex. Miller collection ca. 1900 Overall Size: 7x7x5 cm. Crystal Size: 1-9 mm. Price: $450

#41792 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Flat plate of crystallized white calcite crystals coated with translucent lustrous emerald-green dioptase crystals up to 13 mm across. The contrast of the green dioptase against the white calcite is very aesthetic. The smallest crystals are transparent. Ex. Robert C. Lambert #127; ex. Zweibels Overall Size: 10x7x2.5 cm. Crystal Size: 0.5-13.0 mm. Price: $3750

#42091 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Several lustrous emerald-green dioptase crystals up to 15 mm on colorless rhombohedral calcite crystals to 3 mm, with one missing dioptase crystal. The specimen is mounted to an acrylic display stand. The calcite fluoresces orange under UV illumination. Ex. Robert C. Lambert #46; acquired in 2002 from Classic Minerals Overall Size: 5x4x3 cm. Crystal Size: 0.5-15.0 mm. Price: $4250

#45692 - Mineral: Dioptase with Malachite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Superb miniature specimen of lustrous emerald-green dioptase crystals to 4 mm long on colorless calcite with overgrowth of 0.5 mm fibrous green malachite crystals on the rear. The specimen is fully crystallized on all surfaces with no attachment point. Ex. William Severance 2001.24; ex. Marshall Sussman; ex. Gunther Pietsch collection Overall Size: 4.5x3.5x3 cm. Crystal Size: 0.5-4.0 mm. Price: $375

#42755 - Mineral: Dolomite pseudomorphs after Calcite on Quartz and Sphalerite, Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria. Pristine white dolomite microcrystalline pseudomorphs after rhombohedral calcite crystals up to 20 mm long on matrix of black sphalerite crystals up to 2 mm coated with transparent quartz crystals up to 16 mm long. The pseudomorphs show hollow interiors. Overall Size: 18x11x9 cm. Crystal Size: 1-16 mm, 5-20 mm pseudos. Price: $475

#38805 - Mineral: Dolomite var. Cobaltian, Kakanda Mine, Shaba Copper Belt, Democratic Republic of the Congo (Zaire). Bright pink cobalt-rich dolomite crystals completely coating one face of matrix. Note: these specimens are often incorrectly labeled as cobaltian calcite, but a thorough survey and analysis in 1999 shows they should be labeled cobaltian dolomite. Overall Size: 6x4x4 cm. Crystal Size: 1 mm. Price: $225

#49193 - Mineral: Dravite Tourmaline with Phlogopite, Yinnietharra Station, Pilbara Region, Western Australia, Australia. Large doubly-terminated translucent dark-brown dravite crystals with remnants of phlogopite mica on the surfaces. The dravite crystals are in parallel orientation and have lustrous crystal faces. This specimen is large and complete all around. Overall Size: 8.5x7x6.5 cm. Crystal Size: 15-85 mm. Price: $350

#41434 - Mineral: Elbaite Tourmaline, Barra do Salinas, Minas Gerais, Brazil. Bi-colored translucent elbaite tourmaline with blue gray bottom zone and raspberry-pink pinacoid terminations. Remnants of white pocket clay are still in the crevices on the striated crystal sides (can be cleaned). Overall Size: 33x15x14 mm. Crystal Size: 33 mm. Price: $150

#41431 - Mineral: Elbaite Tourmaline, Barra do Salinas, Minas Gerais, Brazil. Bi-colored translucent elbaite tourmaline with blue gray bottom zone and raspberry-pink pinacoid terminations. Remnants of white pocket clay are still in the crevices on the striated crystal sides (can be cleaned). Overall Size: 47x13x13 mm. Crystal Size: 47 mm. Price: $175

#44412 - Mineral: Elbaite Tourmaline, Mount Apatite, Auburn, Androscoggin County, Maine. Riker Mount containing 38 green elbaite tourmaline crystals. Almost all of the elbaite crystals are flawless (transparent) and many are terminated. Ex. Chas. W. Velte Jr. (1914-1987) collection #434 Overall Size: 13x10x2 cm Riker Mount. Crystal Size: 6-17 mm. Price: $400

#44312 - Mineral: Elbaite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Transparent green elbaite tourmaline crystal with flat pinacoid termination with intense neon-green 2 mm thick zone. One termination corner is chipped. Overall Size: 46x19x18 mm. Crystal Size: 46 mm. Price: $400

#41997 - Mineral: Elbaite Tourmaline, Minas Gerais, Brazil. Bi-colored elbaite tourmaline crystal with transparent green center zone and vivid pink termination zones. The crystal is mounted to an acrylic display stand (I will remove if requested). The bright color and luster are superb. Ex. Robert C. Lambert #296; acquired in 1993 from S. Fuss Overall Size: 50x14x12 mm. Crystal Size: 50 mm. Price: $425

#40263 - Mineral: Elbaite Tourmaline, Nuristan, Laghman Province, Afghanistan. Doubly-terminated bi-colored elbaite tourmaline crystals fully crystallized on all surfaces with no point of attachment - a floater. The color of the elbaite crystals is a unique neon-green color with pale-pink terminations. Overall Size: 41x14x8 mm. Crystal Size: 10-41 mm. Price: $575

#40259 - Mineral: Elbaite Tourmaline, Nuristan, Laghman Province, Afghanistan. Transparent green-blue elbaite tourmaline crystal with white albite matrix attached. this specimen fools everyone - they think it is aquamarine beryl. But it is a pseudo-hexagonal elbaite tourmaline, the tip off being the secondary termination faces. Overall Size: 30x20x12 mm. Crystal Size: 30 mm. Price: $600

#42124 - Mineral: Elbaite Tourmaline, Mawi Pegmatite, Nuristan, Afghanistan. Parallel cluster of bi-colored elbaite tourmaline crystals with parallel three-faced pyramidal terminations. The elbaite tourmaline is translucent pink in the lower half and green in the upper half with areas of transparent (gemmy) green. Ex. Robert C. Lambert #94; acquired in 1994 from C. Graeber Overall Size: 7.5x3.5x3 cm. Crystal Size: 45-70 mm. Price: $850

#44158 - Mineral: Elbaite Tourmaline, Paprok, Nuristan Province, Afghanistan. Unusual bent crystal of the watermelon variety of elbaite tourmaline with minor albite on the rear side. The elbaite tourmaline is translucent green, with pink core in the lower portions. The crystal formed straight, then broke and healed repeatedly. Overall Size: 13x4x4 cm. Crystal Size: 13 cm. Price: $7000

#45837 - Mineral: Elbaite Tourmaline in Albite, Stak Nala, Skardu District, Baltistan, Northern Areas, Pakistan. Doubly-terminated bi-colored elbaite tourmaline crystal 63 mm long in platy white albite crystals, variety cleavelandite, up to 35 mm across. The elbaite tourmaline is translucent dark-green with pink termination. Overall Size: 6x4x2.5 cm. Crystal Size: 5-63 mm. Price: $150

#41758 - Mineral: Elbaite Tourmaline in Quartz, Santa Rosa Mine, Itambacuri, Minas Gerais, Brazil. Translucent elbaite tourmaline crystal embedded in milky quartz matrix. This is the variety called watermelon tourmaline because of the pink core and green outer zones. The crystal is lustrous, with striated prism faces and nicely exposed. Ex. Robert C. Lambert #547; ex. Carter Rich Overall Size: 8x5x4.5 cm. Crystal Size: 50 mm. Price: $650

#37354 - Mineral: Elbaite Tourmaline on Milky Quartz, Pala District, San Diego County, California. Terminated pink rubellite tourmaline (variety of elbaite) embedded in a light gray milky quartz crystal with yellowish albite. Other rubellite tourmalines are visible inside the quartz on the rear. The tourmaline termination and sides are chipped. Ex. John Albanese (1898-1969), ex. John Albanese, Jr. Overall Size: 5x5x4 cm. Crystal Size: 40 mm. Price: $350

#45724 - Mineral: Elbaite Tourmaline with Albite var. Cleavelandite, Gilgit District, Northern Areas, Pakistan. Two elbaite tourmaline crystals to 36 mm long intergrown in white cleavelandite crystals, the platy variety of albite feldspar, to 10 mm across. The elbaite tourmaline crystals are striated prisms with secondary termination faces and green-to-pink color. Overall Size: 3.5x3x2.5 cm. Crystal Size: 5-36 mm. Price: $225

#44669 - Mineral: Elbaite Tourmaline with Quartz, Urubu Mine, Taquaral, Minas Gerais, Brazil. Doubly-terminated translucent green elbaite tourmaline crystals up to 40 mm long with translucent colorless quartz crystals to 12 mm. The bottom termination has remnants of glue from where it was mounted to a display base. Overall Size: 4.5x2.5x1.5 cm. Crystal Size: 3-40 mm. Price: $115

#46671 - Mineral: Elbaite Tourmaline with Rose Quartz Crystals, Alto da Pitorra, Laranjeiras, Minas Gerais, Brazil. Rare combination of a green-black elbaite tourmaline crystal 28 mm long with etched three-faced pyramidal termination surrounded by translucent rose quartz crystals to 10 mm long. The rose quartz crystals have a whitish coating on the crystal faces. Overall Size: 35x29x28 mm. Crystal Size: 2-28 mm. Price: $375

#45755 - Mineral: Elbaite var. Indicolite Tourmaline, Minas Gerais, Brazil. Crystal group of translucent blue indicolite, the blue variety of elbaite tourmaline, with pale-green pyramidal termination faces. Overall Size: 51x19x16 mm. Crystal Size: 23-51 mm. Price: $200

#45752 - Mineral: Elbaite var. Indicolite Tourmaline, Minas Gerais, Brazil. Complex crystal group of translucent blue indicolite, the blue variety of elbaite tourmaline, with green-to-black termination faces. The specimen is composed of several parallel elbaite crystals with complex pyramidal terminations. Overall Size: 4x3x2.5 cm. Crystal Size: 15-35 mm. Price: $400

#43594 - Mineral: Elbaite var. Rubellite Tourmaline, Malchanskoye pegmatite field, Transbaikalia, Siberia, Russia. Single slice of a transparent pink rubellite tourmaline crystal, the pink gem variety of the mineral species elbaite. Both sides have been polished to highlight the internal pink color and clarity. Note the internal color zoning of lighter-darker colors. Overall Size: 32x25x2 mm. Crystal Size: 32 mm. Price: $125

#43690 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Transparent elbaite tourmaline crystal with pyramidal termination that was intersected (interrupted) by a smaller 9 mm elbaite tourmaline crystal. The crystal is mostly bright pink, but there is a faint green zone running in the middle. Overall Size: 31x18x13 mm. Crystal Size: 9-31 mm. Price: $295

#43685 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Transparent doubly-terminated bi-colored elbaite tourmaline crystal with no matrix attached. The tourmaline crystal is mostly bright pink, but there is a 2 mm green zone at one termination. The crystal is curved due to post-crystallization deformation. Overall Size: 38x12x12 mm. Crystal Size: 38 mm. Price: $350

#43689 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Transparent bi-colored elbaite tourmaline crystal with complex termination of the pinacoid modified by many secondary faces. The tourmaline crystal is mostly bright pink, but there is a 3 mm green zone at the top. Overall Size: 28x16x13 mm. Crystal Size: 28 mm. Price: $350

#43691 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Transparent doubly-terminated elbaite tourmaline crystal with no matrix attached. The tourmaline crystal is bright pink color and both terminations are complete. One one side is a concave contact from an intersecting crystal. Overall Size: 42x15x12 mm. Crystal Size: 42 mm. Price: $400

#44203 - Mineral: Elbaite var. Rubellite Tourmaline, Pech, Nangarhar Province, Afghanistan. Lustrous deep-pink elbaite tourmaline crystals with a thin 2 mm green zone at the basal pinacoid termination. The specimen is currently mounted to an acrylic base to support it upright for display (I will remove if requested). Overall Size: 73x29x23 mm. Crystal Size: 62-73 mm. Price: $2500

#43721 - Mineral: Elbaite var. Rubellite Tourmaline with Lepidolite, Himalaya Mine, Mesa Grande District, San Diego County, California. Doubly-terminated bi-colored elbaite tourmaline crystal 42 mm long with a small rosette of lilac-colored lepidolite mica attached on one side. Both termination have a small chipped edge. Overall Size: 42x18x15 mm. Crystal Size: 2-42 mm. Price: $400

#43368 - Mineral: Elbaite var. Rubellite Tourmaline with Lepidolite, Himalaya Mine, Mesa Grande District, San Diego County, California. Terminated crystal of gemmy pink rubellite tourmaline with rosettes of lilac-colored lepidolite mica on the sides. The color is intense pink with a thin green zone at the pinacoid termination. There is a small albite contact on the termination edge. Overall Size: 36x31x27 mm. Crystal Size: 3-36 mm. Price: $750

#43719 - Mineral: Elbaite var. Rubellite Tourmaline with Stilbite, Himalaya Mine, Mesa Grande District, San Diego County, California. Doubly-terminated bi-colored elbaite tourmaline crystal 33 mm long with one termination completely over grown with colorless stilbite crystals up to 10 mm long. The elbaite crystal is pink throughout with green zones at both terminations. Overall Size: 36x18x17 mm. Crystal Size: 1-33 mm. Price: $400

#41705 - Mineral: Elbaite var. Watermelon Tourmaline, Santa Rosa Mine, Itambacuri, Minas Gerais, Brazil. Terminated crystal of watermelon tourmaline variety of elbaite. The name is due to the pink center surrounded by the green rind. The color zoning is easily visible because the outer green zone is highly transparent (gemmy). Overall Size: 39x11x11 mm. Crystal Size: 39 mm. Price: $175

#42179 - Mineral: Epidote, Mabel Mine, Castro Virreyna, Huancavelica, Peru. Lustrous green-black epidote crystals with chisel-shaped terminations. All crystals are complete and undamaged, but there is a contact on the lower right from a crystal that intersected the cluster. Ex. Robert C. Lambert #558; acquired in 1999 Overall Size: 6x3.5x2 cm. Crystal Size: 10-40 mm. Price: $175

#42071 - Mineral: Epidote, Untersalzbachtal, Knappenwand, Austria. Several sub-parallel elongated lustrous epidote crystals with lustrous prism and termination faces. When strongly rear-illuminated the epidote shows greenish-brown transparency. Ex. Robert C. Lambert #122; acquired in 1981 Overall Size: 4.5x1.5x1 cm. Crystal Size: 14-46 mm. Price: $225

#45480 - Mineral: Epidote, Knappenwand, Untersulzbachtal, near Salzburg, Austria. Highly lustrous green-black epidote crystals fully crystallized on all sides except where it was attached to surrounding matrix on the bottom. The epidote crystals are elongated prisms with chisel-shaped terminations. Overall Size: 4.5x3x2 cm. Crystal Size: 1-30 mm. Price: $400

#43385 - Mineral: Epidote with Quartz, Copper Mountain, south of Sulzer, Prince of Wales Island, Alaska. Doubly-terminated green-black epidote crystal 31 mm across intergrown with translucent doubly-terminated quartz crystals up to 35 mm long. The specimen is crystallized on all surfaces except a 4x4 contact on one corner of the epidote. Overall Size: 35x31x25 mm. Crystal Size: 1-31 mm. Price: $225

#25060 - Mineral: Ferberite, Minas do Panasqueira, Covilha, Castelo Branco, Portugal. Exceptionally large group of lustrous black ferberite crystals with striated prism faces and terminations composed of many smaller parallel termination faces. This specimen can be displayed from several sides. An excellent specimen. Overall Size: 10x6x4 cm. Crystal Size: 7-10 cm. Price: $400

#46197 - Mineral: Ferberite, Arsenopyrite, Siderite, Quartz, Minas do Panasqueira, Covilha, Castelo Branco, Portugal. Complex doubly-terminated black ferberite crystals to 52 mm long with bright metallic arsenopyrite crystals to 28 mm plus tan-colored thin translucent siderite crystals to 16 mm and colorless transparent quartz crystals to 18 mm on the bottom. Ex. Bob Holzer (1934-2009) collection Overall Size: 9.5x6.5x6 cm. Crystal Size: 1-52 mm. Price: $400

#41987 - Mineral: Fluorapatite with Muscovite, Minas do Panasqueira, Covilha, Castelo Branco, Portugal. Lustrous purple-gray fluorapatite crystals up to 20 mm across with silvery muscovite mica crystals up to 4 mm on the rear. The fluorapatite crystals are tabular form, translucent, and have slight brown limonite staining in crevices. Ex. Robert C. Lambert #580; acquired in 1999 Overall Size: 32x22x18 mm. Crystal Size: 2-20 mm. Price: $225

#38399 - Mineral: Fluorapophyllite, Calcite, Datolite, Analcime, Quartz, Bergen Hill, Hudson County, New Jersey. Large specimen covered on one face with blocky white fluorapophyllite crystals up to 18 mm and golden pseudo-cubic calcite crystals up to 6 mm, with smaller datolite, analcime and quartz crystals. Ex. W.S. Vaux (1811-1882) collection of the Academy of Natural Sciences of Philadelphia collection #7728 Overall Size: 22x14x10 cm. Crystal Size: 1-18 mm. Price: $475

#38397 - Mineral: Fluorapophyllite, Calcite, Datolite, Analcime, Quartz, Bergen Hill, Hudson County, New Jersey. Large elongated plate covered on one face with blocky white fluorapophyllite crystals up to 25 mm and golden pseudo-cubic calcite crystals up to 18 mm, with smaller datolite, analcime and quartz crystals. Two fluorapophyllite crystals are missing. Ex. W.S. Vaux (1811-1882) and Clarence S. Bement (1843-1923) collection of the Academy of Natural Sciences of Philadelphia collection #24038 Overall Size: 29x15x8 cm. Crystal Size: 1-25 mm. Price: $675

#24777 - Mineral: Fluorite, La Viesca Mine, La Collada, Siero, Asturias, Spain. Transparent crystals of blue-purple fluorite overgrown on small quartz crystal-coated matrix. The fluorite crystals are cubic, with many parallel faces on the edges and purple internal zoning. Overall Size: 5x3.5x3.5 cm. Crystal Size: 1-3 cm. Price: $125

#45789 - Mineral: Fluorite, Maumee Stone Quarry, Lime City, Wood County, Ohio. Transparent lustrous yellow-brown cubic fluorite crystal on gray limestone. Internally the fluorite crystal is transparent with cloudy inclusions in the center. The fluorite fluoresces white under UV illumination. Overall Size: 5x4x3.5 cm. Crystal Size: 30 mm. Price: $150

#28773 - Mineral: Fluorite, Caldwell Stone Quarry, Danville, Boyle County, Kentucky. Large plate of cubic crystals of translucent, purple fluorite up to 12 mm across. For more information, see: pg. 110 of Rocks and Minerals May-June 1981. Overall Size: 13x7x3 cm. Crystal Size: 3-12 mm. Price: $175

#40218 - Mineral: Fluorite, Eastgate Quarry, Weardale, County Durham, England. Transparent green cubic fluorite crystals over milky quartz matrix. The fluorite crystals fluoresce under UV illumination. Internally the fluorite has whitish center zones with best transparency at the corners. Ex. D. Barker #1137; ex. G. Clark Overall Size: 6x5x3 cm. Crystal Size: 10-23 mm. Price: $195

#45774 - Mineral: Fluorite, Xianghualing Mine, Linwu, Hunan, China. Large transparent green octahedral fluorite crystals with select faces that have coating of colorless fluorite. The surfaces of the fluorite crystals are composed of microscopic parallel cubic faces. Overall Size: 14x13x6 cm. Crystal Size: 8-65 mm. Price: $300

#24784 - Mineral: Fluorite, La Viesca Mine, La Collada, Siero, Asturias, Spain. Superb, large cluster of purple fluorite crystals. The fluorite crystals are cubic form, with dodecahedral edges modifications. The central core is deep purple with outer layers of transparent, pale-purple. No damage. Ex. A. Fernandez collection Overall Size: 13x12x7 cm. Crystal Size: 1-5 cm. Price: $350

#45161 - Mineral: Fluorite, Ruyuan, Lechang, Guangdong, China. Large translucent deep-green cubo-octahedral fluorite crystal with no matrix. The surfaces of the fluorite crystal are composed of parallel microscopic cubic crystal faces giving the specimen a textured luster. Overall Size: 9.5x8.5x5 cm. Crystal Size: 6-8.5 cm. Price: $375

#44155 - Mineral: Fluorite, Riemvasmaak, Gordonia District, Northern Cape Province, South Africa. Vivid-green transparent etched octahedral fluorite crystals fully crystallized on all sides except an attachment point on the rear where there are remnants of gray quartz crust. Excellent deep color for this new locality. Overall Size: 8x8x5 cm. Crystal Size: 10-28 mm. Price: $750

#43557 - Mineral: Fluorite, Hill-Ledford Mine, Cave-in-Rock District, Hardin County, Illinois. Veryl large cluster of dark purple fluorite crystals, typical of the Hill-Ledford Mine. The fluorite crystals are cubic form with surfaces composed of smaller, parallel cubic crystal faces giving a textured appearance. Overall Size: 28x13x11 cm. Crystal Size: 15-65 mm. Price: $750

#44156 - Mineral: Fluorite, Riemvasmaak, Gordonia District, Northern Cape Province, South Africa. Vivid-green transparent octahedral fluorite crystals fully crystallized on all sides except a small attachment point on the bottom. The rear has remnants of gray quartz crust on a few fluorite crystals. Excellent deep color for the locality. Overall Size: 7.5x7.5x3.5 cm. Crystal Size: 5-35 mm. Price: $950

#39142 - Mineral: Fluorite (rare botryoidal form) on Quartz var. Amethyst Geode, Tekhdi, Madhya Pradesh, India. Large geode of purple amethyst quartz with three yellow botryoidal fluorite formations up to 50 mm diameter in one corner. One fluorite formation has a red (hematite?) inclusion just below the surface. The outside has been worked to reduce excess quartz. Collected in 2007 from a new locality in central India Overall Size: 19x18x9 cm. Crystal Size: 12-50 mm botryoids. Price: $400

#40460 - Mineral: Fluorite (twinned crystals), Blackdene Mine, County Durham, England. Large plate of purple fluorite crystals up to 18 mm on edge completely covering one face of the matrix. The fluorite crystals are interpenetrant twins and many have cloudy inclusions. One large crystal is chipped. Fluoresces violet under UV illumination. Overall Size: 13x11x6 cm. Crystal Size: 3-18 mm. Price: $150

#48535 - Mineral: Fluorite on Fluorite, Xianghualing Mine, Linwu, Hunan, China. Two generations of octahedral fluorite crystals: The core first generation of translucent gray fluorite crystals are in a linear formation 55 mm long of parallel crystals. The later, second generation, fluorite crystals are translucent green. Overall Size: 6x4x3 cm. Crystal Size: 1-30 mm. Price: $400

#40136 - Mineral: Fluorite on Muscovite, Nagar, Northern Areas, Pakistan. Transparent crystal of pale-green fluorite 22 mm across on matrix of platy muscovite mica crystals up to 12 mm. The fluorite crystal has textured cubic faces with dodecahedral edge faces and a center zone fluoresces under UV illumination. Overall Size: 9.5x5x5 cm. Crystal Size: 5-22 mm. Price: $195

#42201 - Mineral: Fluorite on Pyrite and Galena, Naica Mining District, Saucillo, Chihuahua, Mexico. An extraordinary specimen of complex transparent pale blue-green fluorite crystals up to 30 mm across overgrown on metallic gray galena and yellow pyrite crystals. The fluorite crystals show parallel cubic, octahedral and a hexoctahedral faces. Ex. Robert C. Lambert #168; ex. Zweibels in 1977 Overall Size: 7x6x4 cm. Crystal Size: 1-30 mm. Price: $450

#46697 - Mineral: Fluorite on Quartz, William Wise Mine, Westmoreland, Cheshire County, New Hampshire. Translucent octahedral green fluorite crystal 25 mm across on lustrous colorless transparent quartz crystals to 16 mm long. Complete, distinct fluorite crystals are uncommon at this locality where they are rarely recovered on matrix. Overall Size: 8x6x6 cm. Crystal Size: 5-25 mm. Price: $175

#45159 - Mineral: Fluorite on Quartz, Pasto Bueno District, Pallasca Province, Ancash Department, Peru. Transparent green fluorite crystals to 25 mm across on transparent pale-smoky quartz crystals to 8 mm long with overgrowth of whitish mica microcrystals, probably muscovite. The fluorite crystals are octahedral form with lustrous cubic corner faces. Overall Size: 11x9x4.5 cm. Crystal Size: micro to 25 mm. Price: $450

#45006 - Mineral: Fluorite on Quartz, Dongshan Mine, Hunan, China. Double-sided cluster of milky quartz crystals up to 60 mm with overgrowth of transparent pale-green cubic fluorite crystals up to 32 mm across. All crystals are clean aand lustrous. Must be seen in person to be appreciated. Overall Size: 11x7x9 cm. Crystal Size: 5-60 mm. Price: $650

#44536 - Mineral: Fluorite with Calcite, (Hilton Mine), Cumberland, England. Transparent yellow lustrous cubic fluorite crystals up to 30 mm across with select faces overgrown with translucent colorless calcite crystals to 5 mm across. the calcite crystals are stubby hexagonal prisms with rhombic terminations. Ex. Miller collection ca. 1900 Overall Size: 9x6x5 cm. Crystal Size: 1-30 mm. Price: $350

#43558 - Mineral: Fluorite with Calcite, Rosiclare Sub-District, Hardin County, Illinois. Very large cluster of translucent purple cubic fluorite crystals up to 14 cm with surfaces partially covered with scalenohedral colorless calcite crystals up to 12 mm long. The fluorite crystals intersected adjacent crystals around the perimeter. Overall Size: 17x14x15 cm. Crystal Size: 5-140 mm. Price: $450

#46918 - Mineral: Fluorite with Calcite and Chalcopyrite, Denton Mine, Sub-Rosiclare Level, Harris Creek District, Hardin County, Illinois. Large transparent dark-purple cubic fluorite crystals to 110 mm with many faces overgrown with transparent lustrous scalenohedral calcite crystals to 10 mm. Yellow metallic chalcopyrite crystals to 1 mm are scattered over the fluorite crystals. Overall Size: 12x12x10 cm. Crystal Size: 0.5-110.0 mm. Price: $250

#44070 - Mineral: Fluorite with Chalcopyrite, Denton Mine, Harris Creek District, Hardin County, Illinois. Two interconnected transparent purple cubic fluorite partial crystals with scattered small yellow-metallic chalcopyrite crystals on the surfaces. One has a small conchoidal chip. The Denton Mine closed forever in 1993. Overall Size: 9.5x5.5x3 cm. Crystal Size: micro to 50 mm. Price: $125

#40373 - Mineral: Fluorite with Sphalerite, Elmwood Mine, Carthage, Smith County, Tennessee. Very large cubic fluorite crystal 10 cm across with pale purple color and surfaces composed of smaller, parallel, cubic crystal faces. One corners has brown sphalerite matrix attached. An old specimen from this famous mine that is no longer producing. Overall Size: 13x10x7 cm. Crystal Size: 1-10 cm. Price: $150

#43484 - Mineral: Galena, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Unusual formation of complexly crystallized gray-metallic galena crystals in parallel orientation. The galena crystallized in plate-like shapes and have parallel faces throughout with curved edges and the faces show thin, stepped growth layers. Overall Size: 6.5x5.5x3.5 cm. Crystal Size: 2-17 mm. Price: $125

#44758 - Mineral: Galena, Franklin District, Sussex County, New Jersey. Heavy mass of solid galena with parallel cleavage faces throughout. Ex. Chas. W. Velte Jr. (1914-1987) collection #656 Overall Size: 6.5x4.5x4 cm.. Price: $125

#43481 - Mineral: Galena, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Unusual formation of complexly crystallized gray-metallic galena crystals in parallel orientation. The galena crystallized in plate-like shapes and have parallel faces throughout with curved edges and the faces show thin, stepped growth layers. Overall Size: 8x5.5x4 cm. Crystal Size: 2-20 mm. Price: $175

#45572 - Mineral: Galena, Dalnegorsk, Primorskij Kraj, Russia. Rectangular metallic galena crystal 80 mm across with three faces overgrown with smaller cuboctahedral galena crystals to 40 mm with remnants of white calcite in the spaces between the crystals. Overall Size: 10x6x5 cm. Crystal Size: 18-80 mm. Price: $500

#43483 - Mineral: Galena (Spinel-law twinned crystals), Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Bright metallic galena crystals with mirror-like surface luster. All of the galena crystals are Spinel-law twinned on the octahedral {111} face and the twin planes are distinct and easy to see. Select faces of the galena have a thin green coating. Overall Size: 6x4x3 cm. Crystal Size: 1-10 mm. Price: $135

#42830 - Mineral: Galena (Spinel-law twinned), Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Unusual brain-like formation of silver-metallic galena crystals that are complexly Spinel-law twinned resulting in intertwined linear aggregates. This is an amazingly interesting specimen and is even better when studying the individual crystals. Overall Size: 14x12x7 cm. Crystal Size: 5-30 mm. Price: $750

#42776 - Mineral: Galena (Spinel-law twinned) with Quartz and Calcite, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Bright metallic Spinel-law twinned galena crystals in flattened aggregates up to 30 mm across with translucent colorless quartz crystals up to 9 mm long and tan calcite microcrystals. The repeated twinning of the galena resulted in beautiful patterns. Overall Size: 7x6x4.5 cm. Crystal Size: micro to 9 mm. Price: $150

#42687 - Mineral: Galena (Spinel-law twins) with Chalcopyrite and Quartz, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Bright silver-metallic galena crystals up to 25 mm long with colorless quartz crystals to 10 mm and yellow metallic chalcopyrite crystals to 18 mm. Note the complex, flattened shape of the galena crystals due to repeated Spinel-law twinning. Overall Size: 8x8x6 cm. Crystal Size: 1-25 mm. Price: $300

#42964 - Mineral: Galena and Quartz, Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria. Large gray metallic galena crystals up to 20 mm across with transparent colorless quartz crystals up to 24 mm long. The galena crystals exhibit hoppered growth, skeletal crystals with rounded edges that make them look like they melted. Overall Size: 16x11x6.5 cm. Crystal Size: 5-24 mm. Price: $250

#43482 - Mineral: Galena and Sphalerite, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Bright metallic cubic galena crystals up to 7 mm across with lustrous black Spinel-law twinned sphalerite crystals up to 10 mm across. Some of the galena crystals have octahedral corner faces or depressed centers of the cubic faces. Overall Size: 8x6x5 cm. Crystal Size: 1-10 mm. Price: $125

#46315 - Mineral: Galena with Calcite, Rossie Lead Mines, Rossie, St. Lawrence County, New York. Superb specimen of sharp, well defined gray-metallic galena crystals to 11 across with complex colorless translucent calcite crystals to 10 mm. The galena crystals are cubic form with satin luster. The calcite fluoresces orange under UV illumination. Ex. S. Nightingale collection #380; originally acquired from Ernie Schlichter (1929-2007) Overall Size: 7.5x5.5x5 cm. Crystal Size: 1-11 mm. Price: $450

#46695 - Mineral: Galena with Sphalerite, Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria. Large gray-metallic cuboctahedral galena crystals to 60 mm across with lustrous black tetrahedral Spinel-law twinned sphalerite crystals to 6 mm. The surfaces of the galena crystals have satin luster and exhibit unusual convex growth patterns in areas. Overall Size: 12x10x5 cm. Crystal Size: 1-60 mm. Price: $375

#42756 - Mineral: Galena, Quartz, Calcite, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Heavy plate of gray metallic galena crystals, many exhibiting Spinel-law twinning, up to 10 mm across with Elongated translucent colorless quartz crystals up to 42 mm long plus yellow translucent calcite microcrystals on select faces. Overall Size: 18x11x9 cm. Crystal Size: micro to 42 mm. Price: $495

#45987 - Mineral: Goethite, Rhode Island. Heavy nodule of brown goethite with a large central cavity lined with black stalactitic goethite formation in parallel orientation. Sahno's old label does not list a specific locality, but this probably was found at one of the old bog iron localities. Collected by Robert Sahno in 1981, kept for his private collection Overall Size: 12x7x5 cm. Crystal Size: 5-7 mm. Price: $225

#45988 - Mineral: Goethite, Lucy Mine, Negaunee District, Marquette County, Michigan. Large mass of crystallized black goethite with many parallel tapered stalactitic formations that reveal radiating internal structure on the tips where they cleaved. Overall Size: 12x8x6 cm. Crystal Size: 1-8 mm. Price: $275

#42308 - Mineral: Gold, Ibex Mine, Leadville District, Lake County, Colorado. Exceptionally long crystals of native gold with minor matrix included on some surfaces. Overall Size: 17x6x3 mm. Crystal Size: 1-17 mm. Price: $185

#43539 - Mineral: Gold (crystallized leaf), Round Mountain Mine, near Tonopah, Nye County, Nevada. Twisted leaf gold specimen with no matrix attached. The surfaces of the gold have fine crystallization patterns visible throughout that look beautiful when viewed under magnification. Weight: 0.804 grams Overall Size: 26x9x4 mm. Crystal Size: 0.5-1.0 mm. Price: $185

#43857 - Mineral: Gold (crystallized), Mockingbird Mine, Mariposa County, California. Aesthetic specimen of brilliant metallic gold with no matrix. The formation is flattened, branching crystals with parallel crystal faces that simultaneously reflect light. The crystalline surfaces look beautiful under magnification. Mined in 2006. Weight: 2.774 grams Overall Size: 28x20x3 mm. Crystal Size: 0.5-6.0 mm. Price: $675

#46939 - Mineral: Grossular Garnet, Pitts and Tenney Quarry, Minot, Androscoggin County, Maine. Lustrous dodecahedral orange-brown grossular garnet crystals with milky quartz in the spaces between the crystals. More grossular garnet crystals are embedded in quartz on the rear and can be exposed with careful preparation. Two sides are sawn. Overall Size: 8x5.5x4.5 cm. Crystal Size: 5-20 mm. Price: $125

#44184 - Mineral: Grossular Garnet, Coyote Front Range, near Bishop, Inyo County, California. Highly lustrous translucent brown grossular garnet crystals lining the surfaces of a narrow cavity. The matrix was sawn to trim excess without damage. The grossular crystals are a complex form of trapezohedrons modified by second- and third-order faces Overall Size: 6.5x5.5x4.5 cm. Crystal Size: 3-14 mm. Price: $175

#42558 - Mineral: Hematite, Novo Horizonte, Bahia, Brazil. Large crystals of dark-metallic hematite with no matrix attached. The crystal faces show sharp striations and have mirror-like luster. A showy old-time specimen ca. 1960. Overall Size: 30x25x20 mm. Crystal Size: 5-22 mm. Price: $115

#42557 - Mineral: Hematite, Novo Horizonte, Bahia, Brazil. Blocky dark-metallic hematite crystals on massive hematite matrix. The crystal faces have mirror-like luster and complex texture of parallel microfaces. Most crystals are undamaged, a few on the edge have minute chips. Overall Size: 4.5x3x2 cm. Crystal Size: 4-12 mm. Price: $135

#44056 - Mineral: Hematite, Novo Horizonte, Bahia, Brazil. Brilliantly lustrous dark-metallic hematite crystals in parallel orientation on massive hematite matrix. This old-time specimen was collected ca. 1960 and stands upright nicely for display without support. Overall Size: 6.5x6x5 cm. Crystal Size: 1-12 mm. Price: $150

#44055 - Mineral: Hematite, Novo Horizonte, Bahia, Brazil. Large cluster of dark-metallic hematite crystals with lustrous crystal faces. The cluster is crystallized all around and can be displayed from several angles. The crystals are flattened, tabular form with broad faces that have slight growth patterns. Overall Size: 7x5x4 cm. Crystal Size: 1-32 mm. Price: $325

#41956 - Mineral: Hematite var. Eisenrose, Prosa, St. Gotthard, Kanton Uri, Switzerland. Classic Eisenrose (iron rose) formation of platy hexagonal metallic hematite crystals in a cluster of increasing crystal size at the edges resembling the petals of a rose, with albite attached at the bottom edge. Both front and rear are complete. Ex. Robert C. Lambert #332; acquired in 1984 from V. Yount Overall Size: 23x22x12 mm. Crystal Size: 2-23 mm. Price: $225

#37185 - Mineral: Hemimorphite, San Antonio Mine, Santa Eulalia District, Aquiles Serdan, Chihuahua, Mexico. Extraordinarily large hemimorphite crystals in a narrow fan-shaped cluster mounted to an acrylic base (will remove upon request). The hemimorphite crystals are lustrous and translucent. Overall Size: 4.5x3x1.5 cm. Crystal Size: 20-45 mm. Price: $175

#43559 - Mineral: Hemimorphite, Wenshan Mine, Yunnan, China. Large cluster coated on two faces with botryoidal hemimorphite with rich blue color on the front face, with minor white aragonite scattered throughout. These large blue hemimorphite specimens were once widely available, but are now scarce. Overall Size: 20x16x12 cm. Crystal Size: 2 mm thick layers. Price: $850

#45582 - Mineral: Hemimorphite var. Calamine, Sterling Mine, Ogdensburg, Sussex County, New Jersey. Large translucent gray-brown hemimorphite crystals up to 13 mm in a crust-like layered formation known by the miners as maggot ore. This is a well crystallized specimen of a highly sought after mineral from Franklin. Ex. G. Loud #0477; originally acquired in 1981 from J. Kauffman Overall Size: 7.5x7.5x3 cm. Crystal Size: 10-13 mm. Price: $125

#40877 - Mineral: Hydroxylherderite, Divino das Laranjeiras, Minas Gerais, Brazil. Limonite-stained prismatic hydroxylherderite crystals many exhibiting V-shaped fish-tail twinning. Though several crystals are incomplete or chipped, the large crystal size and prevalent twinning make this a notable specimen with an important provenance. Ex. Irénée du Pont, Sr. (1876-1963) D-748; donated to the University of Delaware in 1964 Overall Size: 7x5x6 cm. Crystal Size: 1-4 cm. Price: $150

#19625 - Mineral: Ilvaite, Dalnegorsk, Primorskij Kraj, Russia. Lustrous black ilvaite crystal with complex surfaces composed of many smaller sub-parallel crystal faces. The ilvaite crystals have two large primary termination faces with small secondary corner faces. Overall Size: 4x3x2 cm. Crystal Size: 40 mm. Price: $150

#41797 - Mineral: Ilvaite and Quartz, Second Sovietisky Mine, Dalnegorsk, Primorskij Kraj, Russia. Lustrous prismatic black ilvaite crystals up to 24 mm long intermixed with lustrous translucent gray quartz crystals up to 10 mm long. Many smaller needle-like ilvaite crystals are scattered throughout. Matrix specimens of ilvaite are uncommon. Ex. Robert C. Lambert #538; ex. Viktor Nikifrov collection Overall Size: 10.5x7x5 cm. Crystal Size: 5-24 mm. Price: $450

#46174 - Mineral: Ilvaite with Quartz, 1st Sovietskiy Mine, Dalnegorsk, Primorskij Kraj, Russia. Lustrous prismatic black ilvaite crystals up to 50 mm long intermixed with a patch of lustrous transparent colorless quartz crystals up to 1 mm. Ex. Bob Holzer (1934-2009) collection Overall Size: 5x4x2 cm. Crystal Size: micro to 50 mm. Price: $125

#41763 - Mineral: Inesite, N'Chwaning Mine, Kuruman District, Northern Cape Province, South Africa. Rich specimen of orange-brown acicular inesite crystals completely coating one face of gray matrix. The inesite crystals are transparent, slender crystals often in bundled aggregates radiating from the matrix. Ex. Robert C. Lambert #304 Overall Size: 10.5x6.5x2 cm. Crystal Size: 3-4 mm. Price: $500

#46316 - Mineral: Magnetite, Juragua Iron Co. Mines, Firmeza District, 14.5 km east of Santiago de Cuba, Oriente Province, Cuba. Lustrous black octahedral magnetite crystals in planar aggregates of sub-parallel crystals. A rare mineral specimen from Cuba from the old mining district that opened in 1884. See: Bulletin of American Institute of Mining Engineers, October 1916. Ex. Willard Lawson Cumings (1874-1945) VP of Mining, Bethlehem Steel Overall Size: 10x9x3 cm. Crystal Size: 2-5 mm. Price: $425

#46363 - Mineral: Magnetite (rare cubic crystal form), ZCA Mine No. 4, Fowler Ore Body, 2500' Level, Balmat, St. Lawrence County, New York. Rich specimen of many rare cubic crystals of lustrous black magnetite to 8 mm in yellow-white halite- and talc-filled pockets and veins. For more information see article: Cubic and Tetrahexahedral Magnetite in May-June 2008 Rocks and Minerals. Overall Size: 11x6x4 cm. Crystal Size: 1-8 mm. Price: $250

#36631 - Mineral: Malachite, Mashamba Mine, Shaba Copper Belt, Democratic Republic of the Congo (Zaire). Thin slab from a malachite stalactite polished on both sides to highlight the concentric growth layers. The crystallization pattern is complex and different on opposite sides. Overall Size: 10x8x.6 cm.. Price: $135

#42193 - Mineral: Malachite, Copper Queen Mine, Bisbee, Warren District, Cochise County, Arizona. Concave cluster of dark green malachite crystals. The formation walls are 3 mm thick composed of fibrous green malachite. The inner malachite is crystallized in velvety rounded formations to 8 mm diameter. Ex. Robert C. Lambert #191; acquired in 1999 Overall Size: 6.5x5.5x3 cm. Crystal Size: 1-3 mm. Price: $550

#41915 - Mineral: Malachite and Shattuckite, Kolwezi District, Shaba Copper Belt, Democratic Republic of the Congo (Zaire). Large blocky green malachite crystals up to 35 mm across completely filling a concave formation of blue fibrous shattuckite crystals up to 3 mm long. The top of the cluster contacted the top cavity wall resulting in incomplete terminations in the center. Ex. Robert C. Lambert #455 Overall Size: 8x7x5 cm. Crystal Size: 3-35 mm. Price: $475

#23407 - Mineral: Malachite pseudomorph after Azurite, Emke Mine, Onganja, Windhoek District, Namibia. Bright green specimen of malachite pseudomorph after large azurite crystals (up to 5 cm!) The surface is covered on all faces with velvet-like, green malachite. The original shape of the azurite is clearly visible. Must see in person to appreciate. Overall Size: 10x7x5 cm. Crystal Size: 2-5 cm pseudos. Price: $475

#46869 - Mineral: Malachite pseudomorphs after Azurite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large cluster of green malachite pseudomorphs after large bladed azurite crystals to 70 mm long. The azurite crystallized first, then altered molecule-by-molecule to malachite maintaining the original form of the azurite crystals. Ex. Kathage collection (Namibia) Overall Size: 15x10x10 cm. Crystal Size: 10-73 mm pseudos. Price: $475

#29367 - Mineral: Malachite with Cerussite, Brown's Prospect, Rum Jungle, Northern Territory, Australia. Rounded aggregates up to 4 cm diameter of velvet-like green malachite with microcrystals of colorless cerussite scattered throughout. One of the best specimens Cilen had from Australia. Ex. Joe Cilen (1916-1997) #8709 Overall Size: 12x8x5 cm. Crystal Size: 1-2 mm. Price: $225

#35094 - Mineral: Manganite, N'Chwaning Mine, Kuruman District, Northern Cape Province, South Africa. Crystallized plate of black manganite crystals in radiating crystal aggregates up to 10 mm diameter. The many lustrous crystals, packed in tight aggregates, give the crystallized surfaces a velvety appearance. Overall Size: 7x5x2 cm. Crystal Size: 1-4 mm. Price: $125

#40409 - Mineral: Manganite with Barite and Quartz, Ilfeld, Harz Mountains, Thuringia, Germany. (Type Locality for Manganite) Lustrous dark metallic manganite crystals up to 7 mm long with one area intergrown with translucent white barite plus minor quartz on the bottom. The manganite crystals are striated, prismatic form with flat, pinacoid terminations. Overall Size: 5x3x2.5 cm. Crystal Size: 1-7 mm. Price: $175

#44044 - Mineral: Microcline var. Amazonite with Smoky Quartz, Blue Smoky Mine, Bubble Pocket, Florrisant, Teller County, Colorado. Blue-green amazonite crystals, the lead-rich variety of the mineral species microcline, up to 65 mm long with transparent light-smoky quartz crystals up to 55 mm long. The cluster is complete all around, though one amazonite crystal was repaired. Overall Size: 8.5x7.5x5 cm. Crystal Size: 30-65 mm. Price: $975

#44603 - Mineral: Mimetite, San Pedro Corralitos, Casas Grandes, Chihuahua, Mexico. Double-sided specimen of translucent mimetite crystals in spherical crystal aggregates to 6 mm diameter crystallized on front and rear of the specimen. The mimetite crystals vary from yellow to brown color. Overall Size: 6.5x4.5x2.5 cm. Crystal Size: 0.5 mm. Price: $125

#44210 - Mineral: Mimetite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Elongated hexagonal tapered yellow mimetite crystals up to 4 mm long lining the many cavities on all sides of boxwork matrix. The yellow mimetite crystals have overgrowth of transparent green microcrystals, presumably a send generation of mimetite. Ex. Academy of Natural Sciences of Philadelphia collection #21479, from the Fourth Vaux-Academy Expedition 1929-1930 Overall Size: 8x5.5x4.5 cm. Crystal Size: 0.2-4.0 mm. Price: $275

#46924 - Mineral: Mimetite with Coronadite, Mount Bonnie Mine, Northern Territory, Australia. Tabular translucent yellow mimetite crystals to 10 mm across on brown jarosite-rick matrix with botryoidal gray-black coronadite in two areas. The mimetite crystals are hexagonal form with beveled edge faces. One mimetite on the edge is incomplete. Overall Size: 5x2.5x2 cm. Crystal Size: micro to 10 mm. Price: $125

#35418 - Mineral: Mottramite on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large plate of tabular calcite crystals up to 12 mm completely coated with dark mottramite crystals up to .5 mm. The calcite crystals are flattened rhombohedral form and their shape is distinctly visible beneath the mottramite overgrowth. Ex. Don Belsher collection Overall Size: 12x12x4 cm. Crystal Size: .2-12 mm. Price: $250

#38287 - Mineral: Natrolite over Calcite, Moore's Station, Mercer County, New Jersey. Hollow vein formation with the walls of the vein lined with acicular white natrolite crystals up to 15 mm long over pale-yellow calcite crystals up to 10 mm. Ex. Academy of Natural Sciences of Philadelphia collection #22740 Overall Size: 12x8x7 cm. Crystal Size: 3-15 mm. Price: $175

#49253 - Mineral: Natrolite with Heulandite-Ca, Chimney Rock Quarry, Bound Brook, Somerset County, New Jersey. Terminated transparent colorless natrolite crystal 74 mm long with partial overgrowth of sparkling heulandite microcrystals on the termination and three prism faces. From the famous find in 1970s (see Mineralogical Record v.9 #1). Overall Size: 77x11x10 mm. Crystal Size: micro to 75 mm. Price: $125

#41744 - Mineral: Olmiite on Calcite, N'Chwaning II Mine, Kuruman District, Northern Cape Province, South Africa. Elongated plate covered on one face with translucent pink-brown olmiite crystals up to 12 mm across over colorless transparent calcite crystals up to 3 mm across. The olmiite crystals fluoresce deep red under UV illumination. Ex. Robert C. Lambert #92 Overall Size: 13x7x2.5 cm. Crystal Size: 1-12 mm. Price: $750

#43713 - Mineral: Opal var. Precious Opal, New South Wales, Australia. Light-colored precious opal with one side polished highlighting the rich internal fire (play of colors) that is dominated by green and orange flashes. The unpolished surfaces on the rear show internal fire also, indicating this is entirely precious opal. Overall Size: 8x3.5x2 cm.. Price: $350

#45776 - Mineral: Orpiment in Calcite, Shimen Mine, Hunan, China. Elongated transparent orange-brown orpiment crystals to 35 mm long in a milky scalenohedral calcite crystal 40 mm long. The orpiment crystals have lustrous, striated prism faces and show yellow color on cleaved surfaces. Overall Size: 6x4x3 cm. Crystal Size: 5-40 mm. Price: $195

#49095 - Mineral: Pectolite with Apophyllite-(KF), Millington Quarry, Bernards Township, Somerset County, New Jersey. Sparkling cavity of spherical formations to 13 mm diameter of radiating white fibrous pectolite crystals with outer surfaces completely coated with lustrous transparent colorless apophyllite crystals to 1 mm. The bottom has several casts after anhydrite. Overall Size: 9x7x7 cm. Crystal Size: 1-7 mm. Price: $125

#48526 - Mineral: Pectolite with Datolite, Millington Quarry, Bernards Township, Somerset County, New Jersey. Radiating pink pectolite crystals in hemispherical aggregates to 14 mm diameter with translucent green datolite crystals to 3 mm. Note the casts after thin, bladed calcite crystals that dissolved away. These pink pectolite specimens are now hard to find. Overall Size: 10x6x5 cm. Crystal Size: 1-7 mm. Price: $175

#41678 - Mineral: Penfieldite, Boleite, Cerussite, Sierra Gorda, Antofagasta, Chile. Many cavities lined with rare penfieldite crystals with blue boleite microcrystals and minor cerussite. The penfieldite is colorless, six-sided, long tapering crystals, with minute striations. The penfieldite fluoresces yellow under UV illumination. Collected August 2001 Overall Size: 6.5x6x4.5 cm. Crystal Size: micro to 4 mm. Price: $150

#39362 - Mineral: Phosgenite on Galena, Monteponi Mine, Iglesias, Sardinia, Italy. Transparent yellow phosgenite crystals in a small cavity in gray metallic galena. There are two phosgenite crystals, separated by a 2 mm thick section of another phosgenite crystal (hard to photograph). The phosgenite fluoresces under UV illumination. Overall Size: 8x6x6 cm. Crystal Size: 7-20 mm. Price: $250

#43971 - Mineral: Powellite, Yeola, Maharashtra, India. Cluster of many interconnected transparent yellow-brown powellite crystals with no matrix attached. The powellite crystals are pyramidal form, with lustrous striated crystal faces, and fluoresce bright yellow under UV illumination. Overall Size: 5x3x3 cm. Crystal Size: 8-30 mm. Price: $850

#43970 - Mineral: Powellite on Stilbite, Nasik, Maharashtra, India. Glassy transparent yellow pyramidal powellite crystal 15 mm high nestled among lustrous translucent pink stilbite crystals up to 20 mm long. The powellite fluoresces bright yellow under UV illumination. One edge has a small chip. Overall Size: 5x5x4 cm. Crystal Size: 5-20 mm. Price: $750

#31680 - Mineral: Prehnite, Interstate 80 road cut, Paterson, Passaic County, New Jersey. Exceptionally large plate covered with yellow-green prehnite crystals in spherical aggregates up to 5 mm diameter with areas between the crystals are coated with greenish-brown clay. The contrasting colors and large size make this an attractive specimen. Collected ca. 1970 by Bob Kreider(sp?) Overall Size: 24x17x6 cm. Crystal Size: 3-5 mm. Price: $125

#43408 - Mineral: Prehnite, O and G Quarry, Southbury, New Haven County, Connecticut. Double-sided plate of botryoidal translucent green prehnite crystals that formed in the center of zeolite-filled gas cavities in basalt. The outer layers are translucent green and the inner cores are milky white, giving the prehnite a pearl-like luster. Ex. Bruce Jarnot; ex. B. Barrett Overall Size: 12x8x4 cm. Crystal Size: 2-4 mm. Price: $150

#45688 - Mineral: Prehnite, Soetwater, near Calvinia, Northern Cape Province, South Africa. Well crystallized translucent green prehnite crystals in stalactite-like vertical aggregates to 8 cm long. The surfaces front and rear are composed of individual prehnite crystals with matte surface luster. Overall Size: 12x9x4 cm. Crystal Size: 4-6 mm. Price: $285

#31403 - Mineral: Pseudomalachite and Psilomelane, Schuyler Copper Mine, North Arlington, Bergen County, New Jersey. Large sandstone matrix stained with green malachite, deep green pseudomalachite and brown psilomelane. Looks beautiful under magnification. Pseudomalachite is sought after from this old mine founded ca. 1715. A few areas show minor scuffing. Collected in the 1950s by Leonard Miller Overall Size: 12x9x5 cm. Crystal Size: .2-.5 mm. Price: $150

#45850 - Mineral: Pyrite, Ambasaguas, La Rioja, Spain. Bright metallic pyrite crystals fully crystallized on all sides. The pyrite crystals are a combination of cubic crystal form with pyritohedral edges faces and striations. Overall Size: 4.5x4x3.5 cm. Crystal Size: 3-27 mm. Price: $125

#43731 - Mineral: Pyrite, Huanzala Mine, Huallanca District, Huanuco Department, Peru. Large cluster partial octahedral yellow-metallic pyrite crystals with no matrix attached. Each crystal is complete on the front faces but the rear is incomplete because it intersected adjacent crystal leaving a rogh crystallized surface. Overall Size: 11x8x3 cm. Crystal Size: 4-7 cm. Price: $175

#34759 - Mineral: Pyrite in matrix, Logrono, Ambassaguas, Spain. Exceptionally large cluster of cubic pyrite crystals in matrix. Both pyrite crystals are on the same side and the specimen displays nicely from several angles. The crystal faces have small pitting due to matrix intergrowths. Four corners are damaged. Ex. Frank Jaeger collection #428 Overall Size: 21x17x9 cm. Crystal Size: 5 cm. Price: $250

#46381 - Mineral: Pyrite on Enargite, Quiruvilca District, Santiago de Chuco Province, La Libertad Department, Peru. Lustrous yellow-metallic pyrite crystals covering all sides of elongated known of gray enargite that is visible on the bottom. The pyrite crystals have smooth crystal faces, octahedral crystal form, with secondary edge faces. Overall Size: 24x11x10 cm. Crystal Size: 3-18 mm. Price: $400

#43475 - Mineral: Pyrite, Sphalerite, Galena, Quartz, Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria. Showy cluster of brilliantly lustrous yellow-metallic pyrite crystals up to 14 mm across with iridescent dark blue-black sphalerite crystals to 13 mm and complex gray-metallic cubic galena crystals to 15 mm plus greenish translucent quartz to 17 mm. Overall Size: 10.2x8x6 cm. Crystal Size: 1-17 mm. Price: $325

#25067 - Mineral: Pyromorphite on Barite, Mine Les Farges, Ussels, Corrèze, France. Extraordinary specimen of yellow-green pyromorphite crystals crystallized on all surfaces of white barite. One face is completely pyromorphite. The pyromorphite crystals are hexagonal form with olive-green color and yellow pinacoid terminations. Overall Size: 17x14x8 cm. Crystal Size: 1-9 mm. Price: $8500

#45797 - Mineral: Pyrrhotite, Dalnegorsk, Primorskij Kraj, Russia. Doubly-terminated bronze-colored hexagonal pyrrhotite crystals in a cluster of stacked crystals. Overall Size: 38x24x22 mm. Crystal Size: 16-24 mm. Price: $250

#41818 - Mineral: Pyrrhotite on Quartz, Dalnegorsk, Primorskij Kraj, Russia. Lustrous bronze-colored metallic pyrrhotite crystals up to 25 mm across over elongated milky quartz crystals up to 25 mm long. The cluster is fully crystallized on the front and rear. Ex. Robert C. Lambert #561 Overall Size: 9.5x7x6 cm. Crystal Size: 1-25 mm. Price: $325

#44042 - Mineral: Pyrrhotite, Galena, Calcite, Quartz, Siderite, Dalnegorsk, Primorskij Kraj, Russia. Complex cluster of bronze-colored metallic pyrrhotite crystals to 65 mm with gray-metallic cubo-octahedral galena crystals to 25 mm, flattened rhombic colorless calcite crystals to 15 mm, slender quartz crystals to 12 mm and brown siderite microcrystals. Overall Size: 11x8x7 cm. Crystal Size: micro to 65 mm. Price: $400

#48013 - Mineral: Quartz, Huckleberry Hill, Avon, Hartford County, Connecticut. Large cluster of banded milky quartz crystals with smaller limonite-stained quartz crystals in the crevices between the larger crystals. This uncommon locality is about 2 miles of the more famous Canton Lead Mines that produced similar quartz specimens. Overall Size: 12x8x8 cm. Crystal Size: 1-80 mm. Price: $125

#28934 - Mineral: Quartz, Ellenville Zinc Co. Mine, Ellenville, Ulster County, New York. Double-sided formation of transparent colorless quartz crystals with lustrous crystal faces. A classic for New York collectors. Overall Size: 9x6x5 cm. Crystal Size: 10-25 mm. Price: $150

#48012 - Mineral: Quartz, Ellenville Zinc Co. Mine, Ellenville, Ulster County, New York. Sparkling cluster of limonite-stained quartz crystals from a vein formation with large, highly transparent colorless quartz crystals in the center of the vein. The bottom was sawn flat to remove excess matrix without damage. Overall Size: 14x13x5 cm. Crystal Size: 2-24 mm. Price: $150

#46618 - Mineral: Quartz, White Haven, Luzerne County, Pennsylvania. Exceptionally large crystals of lustrous colorless quartz crystals fully crystallized on all surfaces. Most of the crystals are transparent with milky bases. Overall Size: 14.5x10x4.5 cm. Crystal Size: 1-80 mm. Price: $350

#46054 - Mineral: Quartz var. Amethyst, Hollis Taylor property near Centerville, Franklin County, North Carolina. Parallel cluster of lustrous light-purple to smoky amethyst quartz crystals over milky quartz. Many of the amethyst crystals are doubly-terminated. The cluster is crystallized all around except for a large contact on the left corner. Overall Size: 7x5x3 cm. Crystal Size: 5-50 mm. Price: $115

#21306 - Mineral: Quartz var. Amethyst, Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Many purple crystals of transparent amethyst quartz on matrix of shorter, colorless quartz crystals. The amethyst crystals color varies from pale at the base to medium purple at the tip. The terminations all have three faces. No damage. Ex. P. Santillo Overall Size: 7x6x4 cm. Crystal Size: 3-30 mm. Price: $145

#46385 - Mineral: Quartz var. Amethyst, Saltman Prospect, Camp Encore, Sweden, Oxford County, Maine. Thin plate of crystallized milky quartz with translucent purple amethyst quartz crystals with select faces overgrown with reddish limonite-included quartz microcrystals. Some of the amethyst crystals are in groups of parallel crystals. Overall Size: 14x13x3 cm. Crystal Size: 5-25 mm. Price: $150

#45695 - Mineral: Quartz var. Amethyst, Tafelkop, Goboboseb Mountains, 17 miles west of Brandberg Mountain, Erongo region, Namibia. Transparent single crystal of purple-pink amethyst quartz with lustrous crystal faces and no matrix attached. The amethyst quartz coloration is in a phantom zone in the lower half of the crystal with colorless quartz in the upper half. Overall Size: 6x4x3 cm. Crystal Size: 6 cm. Price: $175

#42094 - Mineral: Quartz var. Amethyst, Amatitlan, Zumpango del Rio, Guerrero, Mexico. Lustrous transparent purple amethyst quartz crystals mounted vertically on an acrylic display base. The amethyst crystals have nearly colorless terminations with deeper purple color in phantom zones in the center of the crystals. Ex. Robert C. Lambert #376; acquired in 1980 Overall Size: 5x3x2.5 cm. Crystal Size: 22-50 mm. Price: $185

#47042 - Mineral: Quartz var. Amethyst, Saltman Prospect, Camp Encore, Sweden, Oxford County, Maine. Several interconnected doubly-terminated purple amethyst quartz crystals with lustrous terminations. The prism faces of the amethyst are overgrown with a second generation of sugar-like quartz microcrystals. The best color is visible from the rear. Overall Size: 8x5x4 cm. Crystal Size: 0.2-60.0 mm. Price: $225

#44229 - Mineral: Quartz var. Amethyst, Moqor, Mqakkhar Mountains, Ghanzi Province, Afghanistan. Translucent purple amethyst quartz crystal on wedge-shaped matrix with the bottom sawn flat. The amethyst crystals have milky centers and deeper purple color at the terminations. The tips of three crystals are bruised. Overall Size: 8x8x6 cm. Crystal Size: 10-30 mm. Price: $250

#35636 - Mineral: Quartz var. Amethyst, Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Many deep purple amethyst quartz crystals on gray calcite crystal-coated matrix. The amethyst crystals are transparent and have deepest color at the terminations. Overall Size: 10x6x4 cm. Crystal Size: 4-25 mm. Price: $400

#48861 - Mineral: Quartz var. Amethyst, Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Many lustrous purple amethyst quartz crystals scattered over one face of gray matrix. The amethyst quartz crystals have intense purple color at the terminations and are nearly colorless at their bases. The cluster stands upright nicely without support. Overall Size: 8x6x4 cm. Crystal Size: 4-18 mm. Price: $400

#41791 - Mineral: Quartz var. Amethyst, Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. X-shaped cluster of intersecting doubly-terminated purple amethyst quartz crystals mounted to an acrylic display base for support. The amethyst crystals are lustrous, internally transparent, with deepest color at the terminations. Ex. Robert C. Lambert #358 Overall Size: 8x5.5x4 cm. Crystal Size: 30-65 mm. Price: $495

#36702 - Mineral: Quartz var. Amethyst Flower, Alto Uruguai, Rio Grande do Sul, Brazil. Large thin fan-shaped formation of pale to purple amethyst quartz crystals. These formations are commonly called Amethyst Flowers because of their resemblance to flowers. This was restored: two plates joined together with no visible glue. Overall Size: 19x17x4 cm. Crystal Size: 2-40 mm. Price: $150

#41249 - Mineral: Quartz var. Amethyst and Milky, Eastman Quarry, Deer Hill, Stow, Oxford County, Maine. Doubly-terminated medium purple amethyst quartz crystals 50 mm long with smaller milky quartz crystals up to 6 mm long intersecting the terminations. Good color and luster for this locality. Overall Size: 7x5x4 cm. Crystal Size: 5-50 mm. Price: $125

#45690 - Mineral: Quartz var. Amethyst on Calcite and Dolomite, Capurru Quarry, Osilo, Sassari Province, Sardinia, Italy. Transparent purple-pink lustrous amethyst quartz crystals up to 25 mm long on transparent colorless calcite crystals to 3 mm and tan-colored dolomite crystals to 1 mm. Many of the amethyst quartz crystals are doubly-terminated. Overall Size: 10x6x4.5 cm. Crystal Size: 0.5-25.0 mm. Price: $450

#41759 - Mineral: Quartz var. Gwindel-habit, Blauberg, Göscheneralp, Uri, Switzerland. Internally flawless, transparent, smoky quartz crystals with glassy crystal faces in the classic Gwindel habit of stacked doubly-terminated crystals that twist in orientation on a central vertical axis. The top corner has a contact from the pocket wall. Ex. Robert C. Lambert #27; ex. Carter Rich; ex. Gerd Frischmuth Overall Size: 9x6.5x5 cm. Crystal Size: 3-7 cm. Price: $750

#41807 - Mineral: Quartz var. Gwindel-habit, Graubünden (Grissons), Switzerland. Doubly-terminated transparent smoky quartz exhibiting rare Gwindel habit of stacked horizontal crystals that twist in orientation on a central vertical axis. The exact locality was not given, but probably originated at Val Giuf. Ex. Robert C. Lambert #27; ex. Curt Segeler Overall Size: 9x6x4.5 cm. Crystal Size: 25-45 mm. Price: $1250

#41824 - Mineral: Quartz var. Japan-law Twin, Pasto Bueno District, Pallasca Province, Ancash Department, Peru. Lustrous transparent colorless quartz crystals that are twinned following the Japan Law of quartz twinning. This twinned quartz has better luster than most from the locality that have frosted surfaces. One termination has a concave impression (contact?). Ex. Robert C. Lambert #123 Overall Size: 8.5x5.5x1.5 cm. Crystal Size: 5.5 cm. Price: $550

#22543 - Mineral: Quartz var. Rose Quartz Crystals, Rose Quartz Locality, Plumbago Mountain, Oxford County, Maine. White albite matrix with a shallow cavity lined with pink crystals of rose quartz. This is one of the few locatities in the world that produce crystals of rose quartz. This specimen is one of the best of the find. Collected in June 1969 by Clifford Earl Trebilcock (1920-2000) Overall Size: 10x6x5 cm. Crystal Size: 2-8 mm. Price: $125

#43567 - Mineral: Quartz var. Rose Quartz Crystals, Lavra da Ilha, Taquaral, Jequitinhonha River, Minas Gerais, Brazil. Translucent pink lustrous crystals of rose quartz crystallized on two edges of milky quartz cluster. Rose quartz crystals are uncommon and occur at only a handful of localities worldwide. The cluster has vivid color and is mounted to an acrylic base. Overall Size: 8x6x5 cm. Crystal Size: 1-11 mm. Price: $475

#46941 - Mineral: Quartz var. Smoky, Sierra Blanca, White Mountain Wilderness, Lincoln County, New Mexico. Several intersecting lustrous transparent smoky quartz crystals with no matrix attached. The smoky coloration is internally zoned with phantom-growth patterns visible throughout. The prism faces are slightly striated. Overall Size: 7x4x3 cm. Crystal Size: 8-65 mm. Price: $125

#46543 - Mineral: Quartz var. Smoky, Peter's Pocket, Bartlett, 2.5 km ENE of Little Attitash Mountain, Carroll County, New Hampshire. Huge doubly-terminated smoky quartz cluster fully crystallized on all faces with only a small attachment point on one end. One termination is a group of parallel termination points, the other is one large termination point with an intersecting crystal. Collected ca. 1982 by Peter Samuelson Overall Size: 22x17x15 cm. Crystal Size: 1-190 mm. Price: $200

#43474 - Mineral: Quartz var. Smoky, Crystal Peak District, Lake George area, Park-Teller Counties, Colorado. Large tapered doubly-terminated smoky quartz crystal fully crystallized on all faces except one small attachment point on the bottom. The smoky quartz crystal is opaque black with brown sub-surface limonite inclusions. One termination has multiple faces. Overall Size: 24x6x5 cm. Crystal Size: 24 cm. Price: $375

#49190 - Mineral: Quartz var. Smoky (48 crystals from a single pocket), Ossipee Gulch (Raccoon Gulch), Center Ossipee, Carroll County, New Hampshire. Collection of 48 lustrous transparent smoky quartz crystals collected from a single pocket. Internally the smoky quartz crystals are remarkably transparent (better than those found at Moat. Mountain). Most crystals are complete and undamaged. Overall Size: 50x30x5 cm box. Crystal Size: 20-85 mm. Price: $500

#46039 - Mineral: Quartz var. Smoky with Chlorite, Maderanertal, Kanton Uri, Switzerland. Doubly-terminated large single crystal of transparent (nearly flawless) smoky quartz with greenish chlorite coating on the crystal faces with large classic termination on the top, and the bottom termination composed of smaller parallel faces. Overall Size: 13x7x6 cm. Crystal Size: 13 cm. Price: $300

#48484 - Mineral: Quartz var. Smoky with Spessartine Garnet inclusions, Beaver County, Utah. Several doubly-terminated transparent dark-smoky quartz crystals to 95 mm long with a 2 mm transparent red spessartine garnet visible in the center of the largest smoky quartz crystal. Overall Size: 9.5x4.5x4 cm. Crystal Size: 2-95 mm. Price: $175

#45630 - Mineral: Quartz with Hedenbergite inclusions, Mega Xhorio, Seriphos Island, Greece. Translucent tapered quartz crystals with green color due to microscopic hedenbergite inclusions. The surfaces of the quartz crystals are textured with many smaller crystal faces. Overall Size: 8.5x5x3 cm. Crystal Size: 10-75 mm. Price: $225

#48870 - Mineral: Rhodochrosite, Hotazel Mine, Kuruman District, Northern Cape Province, South Africa. Elongated scalenohedral transparent red rhodochrosite crystal with lustrous faces and no matrix attached. Overall Size: 16x6x4 mm. Crystal Size: 16 mm. Price: $150

#44191 - Mineral: Rhodochrosite, Wudong Mine, Liubao, Guangxi Zhuang A.R., China. Translucent bright-pink bladed rhombohedral rhodochrosite crystals to 18 mm across with minor quartz and pyrite on the rear edge. Note the rhodochrosite crystals have colorless calcite microcrystalline overgrowth on the edges, enhancing the sharp edges. Overall Size: 7x6.5x3 cm. Crystal Size: micro to 18 mm. Price: $875

#44151 - Mineral: Rhodochrosite on Quartz, Sweet Home Mine, Buckskin Gulch, Alma District, Park County, Colorado. Transparent-to-translucent bright pink rhombohedral rhodochrosite crystals intergrown with small milky quartz crystals. This specimen was restored by Collectors Edge after it was extracted in two pieces. The restoration is visible on the rear. Overall Size: 8x7x3 cm. Crystal Size: 1-16 mm. Price: $2750

#46629 - Mineral: Rutile, Parkesburg, Chester County, Pennsylvania. Large crystal of rutile with striated prism faces that highlight the complex twinning. Ex. Jay Lininger (1939-2004) Overall Size: 7x6x3.5 cm. Crystal Size: 6 cm. Price: $550

#32711 - Mineral: Rutile (twinned crystals), Graves Mountain, Lincoln County, Georgia. Twinned crystals of lustrous red-black rutile with remnants of pyrophyllite matrix on the bottom mounted on a display base. The crystal has smooth, lustrous surface and is twinned through the middle. The surfaces have a mottled appearance in areas. Overall Size: 35x25x22 mm. Crystal Size: 34 mm. Price: $175

#41017 - Mineral: Rutile (twinned crystals), Parkesburg, Chester County, Pennsylvania. Doubly-terminated dark red rutile crystals with no matrix attached. The rutile crystals show classic knee-twins (60° twins) on several sides. Overall Size: 3.5x3x2 cm. Crystal Size: 1-32 mm. Price: $295

#44612 - Mineral: Scapolite (Marialite-Meionite), Mogoro District, Uluguru Mountains, Tanzania. Flawless crystal of gem-grade yellow scapolite with shallow pyramidal termination on the top. Scapolite is a group name for marialite and meionite mineral species and the crystal could be either species. Overall Size: 23x9x6 mm. Crystal Size: 23 mm. Price: $150

#42131 - Mineral: Scheelite, Pingwu, Sichuan, China. Octahedral translucent orange-brown scheelite crystal with no matrix attached. The scheelite fluoresces bright white under UV illumination. The surfaces of the scheelite are composed of smaller parallel crystal faces. Ex. Robert C. Lambert #366; acquired in 1995 Overall Size: 5.5x5x3 cm. Crystal Size: 5 cm. Price: $400

#45678 - Mineral: Siderite, Bisbee, Warren District, Cochise County, Arizona. Double-sided specimen coated front and rear with rhombohedral brown siderite crystals with iridescent sheen on the surfaces. One side has botryoidal aggregates of microcrystals, the opposite side has larger crystals to 0.5 mm. Overall Size: 9x6x3 cm. Crystal Size: micro to 0.5 mm. Price: $250

#43172 - Mineral: Silver and Copper var. Halfbreed, Keweenaw Peninsula Copper District, Michigan. Metallic native copper with a crystallized group of silver crystals along the top edge. Copper-silver combination specimens are called half-breeds by local miners and collectors. This specimen has well defined crystals and pleasing patina. Overall Size: 4.5x3.5x1.5 cm. Crystal Size: 0.5-7.0 mm. Price: $175

#45707 - Mineral: Silver in Arsenic, Pohla Mine, near Crottendorf, Erzgebirge, Saxony, Germany. Arborescent native silver crystals on earthy black native arsenic. The silver crystals resemble feathers with long central crystals with branching crystals out the sides. Overall Size: 25x25x20 mm. Crystal Size: 0.2-15.0 mm. Price: $225

#41383 - Mineral: Silver with Sphalerite and Quartz, Veta Hundmiento, Potosi Department, Bolivia. Crystallized native silver intergrown with black sphalerite crystals and colorless quartz crystals. The crystals cover all sides of the specimen and look beautiful under magnification. Overall Size: 36x28x12 mm. Crystal Size: 0.2-1.5 mm. Price: $125

#41899 - Mineral: Smithsonite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Lustrous lilac-colored (pink-purple) prismatic smithsonite crystals lining several cavities on front, rear and side. The smithsonite crystals are water-clear (transparent) with glassy crystal faces. A 12 mm cerussite crystal group is in one edge cavity. Ex. Robert C. Lambert #288 Overall Size: 10x8x5 cm. Crystal Size: 2-9 mm. Price: $3500

#40157 - Mineral: Smithsonite and Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Bright yellow-orange smithsonite microcrystal crust overgrown with rhombohedral white calcite crystals up to 6 mm on edge. The calcite fluoresces red under UV illumination. This is a very attractive specimen from the famous Tsumeb Mine, now long closed. Overall Size: 11x8x4.5 cm. Crystal Size: 0.2-6.0 mm. Price: $550

#41855 - Mineral: Smithsonite and Cerussite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large cluster of translucent green smithsonite crystals up to up to 8 mm long in aggregates of parallel crystals with striated-looking surfaces caused by the multiple crystals. Scattered throughout are transparent pale-brown cerussite crystals to 15 mm. Ex. Robert C. Lambert #170 Overall Size: 12x11x8 cm. Crystal Size: 4-15 mm. Price: $4000

#45912 - Mineral: Smithsonite on Coronadite, Proprietary Mine, Broken Hill, New South Wales, Australia. Translucent colorless-to-pale green smithsonite in spherical crystal aggregates up to 4 mm diameter on all sides of stalactitic botryoidal black coronadite. The smithsonite crystals have silky surface luster the result of microscopic parallel faces. Overall Size: 17x5.5x3.5 cm. Crystal Size: 2-3 mm. Price: $400

#45806 - Mineral: Spessartine Garnet on Albite, Tongbei-Yunling District, Fujian Province, China. Lustrous translucent wine-red trapezohedral spessartine garnet crystals to 7 mm across on creme-colored blocky albite crystals to 8 mm. This is an old specimen dating to 1998, one of the first I acquired from China. Overall Size: 8x7x4 cm. Crystal Size: 1-8 mm. Price: $250

#46088 - Mineral: Spessartine on Microcline, Bagrote Nala Mine, Northern Areas, Pakistan. Red-brown trapezohedral spessartine garnet crystals to 16 mm across on a lustrous face of a thin white microcline crystal. A few impressions in the microcline show where other spessartine garnets were attached. The largest crystal is chipped. Overall Size: 6x4.5x2 cm. Crystal Size: 1-16 mm. Price: $250

#41882 - Mineral: Sphalerite (Spinel-law twinned) on Pyrite, Rodna, Maramures, Romania. Highly lustrous Spinel-law twinned black sphalerite crystals to 12 mm across on yellow metallic pyrite crystals to 1 mm. The sphalerite crystals have mirror-like surfaces and striations where they are repeatedly twinned. Ex. Robert C. Lambert #190 Overall Size: 8x5.5x5 cm. Crystal Size: 1-12 mm. Price: $450

#43478 - Mineral: Sphalerite (Spinel-law twinned) with Calcite and Galena, Borieva Reka Mine, Madan District, Rhodope Mountains, Bulgaria. Brilliant black sphalerite crystals up to 13 mm with pale-beige calcite crystals up to 2 mm scattered on the surfaces with a few cubic gray-metallic galena crystals to 9 mm. The sphalerite crystals are complexly twinned on {111} following the Spinel Law. Overall Size: 8x8x3.5 cm. Crystal Size: 1-13 mm. Price: $135

#38488 - Mineral: Sphalerite and Galena on Quartz, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Translucent dark yellow sphalerite crystals up to 15 mm across with cubic gray metallic galena crystals up to 18 mm across overgrown on colorless quartz crystals up to 16 mm long. Each galena crystal has one octahedral corner face and etched surfaces. Overall Size: 8x6x5 cm. Crystal Size: 1-18 mm. Price: $125

#39087 - Mineral: Sphalerite and Quartz, Shuikoushan Mine, Hunan Province, China. Double-sided cluster of transparent deep-red sphalerite crystals up to 15 mm mixed with colorless quartz crystals to up to 2 mm. The sphalerite crystals are highly lustrous and show good translucency throughout. Stands upright without additional support. Overall Size: 13x10x6 cm. Crystal Size: 1-15 mm. Price: $225

#49037 - Mineral: Sphalerite with Chalcopyrite on Dolomite, Tri-State Lead-Zinc Mining District, Treece, Cherokee County, Kansas. Lustrous transparent red-brown sphalerite crystals to 25 mm on a double-sided plate of pinkish saddle-shaped dolomite crystals to 5 mm. The large sphalerite crystals have epitactic overgrowth of yellow metallic chalcopyrite crystals to 1 mm. Overall Size: 12x8x5 cm. Crystal Size: 1-25 mm. Price: $125

#44759 - Mineral: Sphalerite, Pyrite, Calcite, (Buckwheat Mine), Franklin District, Sussex County, New Jersey. Several brown-black octahedral sphalerite crystals to 4.5 mm on colorless rhombohedral calcite crystals to 3 mm with scattered yellow-metallic pyrite microcrystals. The sphalerite crystals have mirror-like surface luster. Ex. Chas. W. Velte Jr. (1914-1987) collection #40 Overall Size: 6.5x4x4 cm. Crystal Size: 0.2-4.5 mm. Price: $125

#43722 - Mineral: Spodumene, Minas Gerais, Brazil. Doubly-terminated lime-green spodumene crystal with striated prism faces and complex terminations composed of many smaller, parallel termination faces. Internally the spodumene is highly transparent and the upper half is flawless, gem-grade. Overall Size: 7x4x2.5 cm. Crystal Size: 7 cm. Price: $500

#44347 - Mineral: Spodumene var. Kunzite, Pala District, San Diego County, California. (Type Locality for Kunzite) Doubly-terminated kunzite crystal, the transparent pink gem variety of the mineral species spodumene, with natural crystal faces on the front and two flat cleavage faces on the rear that show most of the crystal is internally flawless. Ex. Chas. W. Velte Jr. (1914-1987) collection #235 Overall Size: 6.5x2x1.5 cm. Crystal Size: 6.5 cm. Price: $150

#36696 - Mineral: Spodumene var. Kunzite, Nuristan, Laghman Province, Afghanistan. Two parallel crystals of pink kunzite (pink gem-grade spodumene) with remnants of pocket clay near the termination. Both crystal are terminated and have pronounced surface striations on the prism faces. Fluoresces violet under UV illumination. Overall Size: 48x16x5 mm. Crystal Size: 48 mm. Price: $150

#36410 - Mineral: Spodumene var. Kunzite, Nuristan, Laghman Province, Afghanistan. Single crystal of transparent pink kunzite, the pink gem-grade variety of spodumene, with chisel-shaped termination and striated prism faces. The kunzite crystal is internally flawless. Weight: 16.3 grams Overall Size: 48x14x9 mm. Crystal Size: 48 mm. Price: $225

#43384 - Mineral: Spodumene var. Kunzite, Pala District, San Diego County, California. Doubly-terminated transparent kunzite crystal, the pink gem variety of the mineral species spodumene. Internally the crystal is quite clean and has areas that could produce several 8-10 mm gemstones if faceted. Overall Size: 5x2x1.3 cm. Crystal Size: 50 mm. Price: $400

#46298 - Mineral: Spodumene var. Kunzite, Khara Khul, Konar Province, Afghanistan. Elongated bi-colored spodumene crystal with complex termination on one end and striated prism faces. The upper third of the spodumene crystal is colorless, the lower two-thirds are kunzite, the pink gem variety of spodumene. One rear edge has a contact. Ex. Bob Holzer (1934-2009) collection Overall Size: 16.5x2.5x2 cm. Crystal Size: 165 mm. Price: $650

#42249 - Mineral: Stibnite, Baia Sprie (Felsöbánya), Maramures, Romania. Terminated metallic stibnite crystals in a cluster of diverging crystals with remnants of milky quartz in the base. A brown mineral coats the stibnite crystals surfaces in the center of the cluster, possibly siderite. Ex. Robert C. Lambert #70; acquired in 1977 from Norm Pellman (1922-2004) Overall Size: 6x6x4 cm. Crystal Size: 5-30 mm. Price: $175

#42428 - Mineral: Stibnite, Ichinokawa Mine, Ehime, Shikoku Island, Japan. Large crystal of metallic stibnite with mirror-like faces on one side and satin luster with minor damage on the other side. The stibnite crystal has a natural curvature, typical of stibnite crystals. Collected pre-1950 Overall Size: 170x21x12 mm. Crystal Size: 170 mm. Price: $750

#38279 - Mineral: Stilbite-Ca, Moore's Station, Mercer County, New Jersey. The best Moore's Station specimen in the Academy collection: Large plate of golden orange-brown stilbite crystals with many hemispherical stilbite rosettes up to 14 mm diameter with minor colorless calcite crystals. Ex. Academy of Natural Sciences of Philadelphia collection #23158, collected by Sam Gordon (1897-1952) in 1924 Overall Size: 23x17x10 cm. Crystal Size: 3-6 mm. Price: $950

#40557 - Mineral: Stilbite-Ca (green), Sakur, Maharashtra, India. A floater formation (fully crystallized on all surfaces with no point of attachment) of translucent stilbite-Ca with green internal zones visible throughout. The green is most intense on the front. This specimen is from a new find. Overall Size: 7.5x4x2 cm. Crystal Size: 3-30 mm. Price: $175

#38269 - Mineral: Stilbite-Ca and Calcite, Moore's Station, Mercer County, New Jersey. Pristine plate of orange-brown stilbite crystals up to 6 mm long with overgrowth of sparkling colorless transparent calcite microcrystals up to .05 mm. The calcite fluoresces under UV illumination. Ex. Academy of Natural Sciences of Philadelphia collection #23164, collected by Sam Gordon (1897-1952) in 1924 Overall Size: 11x10x6 cm. Crystal Size: 0.2-6.0 mm. Price: $425

#45895 - Mineral: Sulfur, Agrigento District (Girgenti), Sicily, Italy. Lustrous translucent yellow sulfur crystals coating most of one face of gray sulfur-rich matrix. The widespread presence of the sulfur in the matrix is proof this is not one of the artificial sulfur specimens from Sicily. Ex. John Irving Legro, Jr. (1842-1923); ex. Lawrence Conklin in 1988; ex. R. Fantechi-N. Severi collection #58 Overall Size: 13x11x8 cm. Crystal Size: 2-9 mm. Price: $450

#23721 - Mineral: Tennantite on Quartz, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Several triangular crystals of tennantite up to 20 mm on white quartz crystals up to 5 mm. The tennantite crystals have a greenish surface coating of another mineral, most like austinite replacing tennantite. No damage. Ex. John Rumble collection (South Africa) Overall Size: 8x7x4 cm. Crystal Size: 1-20 mm. Price: $200

#45175 - Mineral: Tennantite with Dolomite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large, well defined gray-metallic tennantite crystals up to 20 mm across with white dolomite crystals to 3 mm across. The tennantite crystals are tetrahedral form with tetrahexahedral edge faces and have crazed surfaces throughout. Originally acquired January 1976 Overall Size: 8x5x4 cm. Crystal Size: 2-20 mm. Price: $650

#46449 - Mineral: Tetrahedrite on Sphalerite, Cavnic Mine (Kapnikbanya), Maramures, Romania. Showy cluster of lustrous dark-metallic tetrahedrite crystals to 12 mm with lustrous sphalerite crystals up to 10 mm. The sphalerite crystals are noteworthy because they are remarkably translucent. Minor crystals of white barite up to 4 mm. Ex. Robert C. Linck (1905-1970); ex. Wards Overall Size: 7x5.5x2.5 cm. Crystal Size: 1-12 mm. Price: $250

#36964 - Mineral: Tetrahedrite with Quartz, Huallanca District, Huanuco Department, Peru. Double-sided specimen of large well-defined tetrahedrite crystals up to 17 mm on edge with colorless quartz crystals up to 2 mm long and yellow metallic pyrite crystals up to 0.5 mm. The tetrahedrite crystals are clean and lustrous, with secondary faces. Ex. Dr. E. David #112J Overall Size: 6.5x4.5x2.5 cm. Crystal Size: 0.5-17.0 mm. Price: $450

#36936 - Mineral: Tetrahedrite, Sphalerite, Pyrite, Herja Mine (Kisbanya), Baia Mare, Maramures, Romania. Well crystallized dark metallic tetrahedrite crystals up to 13 mm with dark brown (translucent when rear-illuminated) sphalerite crystals up to 5 mm with yellow metallic pyrite crystals to 3 mm. Ex. James Madison University collection Overall Size: 9x5x5 cm. Crystal Size: 1-13 mm. Price: $450

#44199 - Mineral: Titanite var. Sphene with Orthoclase var. Adularia, Medels, Grischun, Switzerland. Large cluster of sharp rhombohedral titanite (variety sphene) crystals up to 8 mm across coated with green chlorite microcrystals with a few scattered colorless adularia variety of orthoclase crystals to 6 mm. Many of the titanite crystals are V-twinned. Ex. Academy of Natural Sciences of Philadelphia collection #4418; ex. Clarence S. Bement (1843-1923) Overall Size: 12x10x6 cm. Crystal Size: micro to 8 mm. Price: $950

#44674 - Mineral: Topaz, Teofilo Otoni, Minas Gerais, Brazil. Triangular colorless topaz crystal with flat, glassy crystal faces and complex crystal termination. Internally the crystal is nearly flawless and could produce several large gemstones if faceted. One prism face shows conchoidal surfaces. Overall Size: 3.5x2.5x2 cm. Crystal Size: 3.5 cm. Price: $125

#21184 - Mineral: Topaz, Ouro Preto, Minas Gerais, Brazil. Single crystal of Imperial topaz with steep termination. This crystal has excellent color - deep golden orange. Internally very clean (much better than commonly available) and externally undamaged. Overall Size: 17x11x8 mm. Crystal Size: 17 mm. Price: $125

#44668 - Mineral: Topaz, Teofilo Otoni, Minas Gerais, Brazil. Doubly-terminated transparent colorless topaz crystal with complex terminations and striated prism faces. The center portion of the topaz crystal is mostly flawless (gem-grade). The topaz crystal is fully crystallized on all surfaces - a floater. Overall Size: 7x4x2.5 cm. Crystal Size: 7 cm. Price: $400

#46002 - Mineral: Topaz (flawless gem-grade crystal), Teólfilo Otoni, Minas Gerais, Brazil. Gem-grade (internally flawless) colorless topaz crystal with glassy crystal faces and unusual curved termination faces (must be seen to be appreciated). The rear edge is etched but also has some cleavage faces where it was attached to matrix. 203 grams. Overall Size: 7x4x3.5 cm. Crystal Size: 7 cm. Price: $550

#48692 - Mineral: Topaz with Biotite, Mount Huntington, Lincoln, Grafton County, New Hampshire. One-time find of a doubly-terminated transparent brown topaz crystal fully crystallized on all surfaces with dark biotite inclusions and attached on the bottom. Overall Size: 19x11x10 mm. Crystal Size: 1-19 mm. Price: $100

#44611 - Mineral: Uvite Tourmaline, Power's Farm, Pierrepont, St. Lawrence County, New York. Old specimen ca. 1900 of doubly-terminated lustrous black uvite tourmaline with no matrix. The crystals are fully crystallized on all faces except for one face where it was attached to surrounding matrix. Overall Size: 5x4x4 cm. Crystal Size: 5 cm. Price: $195

#44538 - Mineral: Uvite Tourmaline, Power's Farm, Pierrepont, St. Lawrence County, New York. Lustrous black uvite tourmaline crystals with minor quartz on the bottom. The largest uvite crystal has a partial fracture that does not extend through the specimen, probably due to post-crystallization deformation. Ex. Miller collection ca. 1900 Overall Size: 8x7x6 cm. Crystal Size: 6-42 mm. Price: $325

#44421 - Mineral: Uvite Tourmaline on Magnesite, Brumado District, Serra das Éguas, Bahia, Brazil. Sparkling cluster of lustrous rhombohedral colorless magnesite crystals up to 13 mm across with many equant lustrous wine-red translucent uvite tourmaline crystals to 9 mm across. Overall Size: 10x9x3.5 cm. Crystal Size: 1-12 mm. Price: $195

#45482 - Mineral: Uvite Tourmaline with Magnesite, Brumado District, Serra das Éguas, Bahia, Brazil. Two large translucent uvite tourmaline crystals to 30 mm across with colorless magnesite crystals to 4 mm on the bottom. The uvite tourmaline crystals have lustrous crystal faces and color is brown, with green zones on one termination end. Overall Size: 3.5x3x3 cm. Crystal Size: 1-30 mm. Price: $225

#40141 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Rich deep-red vanadinite crystals on earthy pink-brown matrix. The vanadinite crystals are highly lustrous, tabular hexagonal form, and vary from transparent to translucent. The crystals on the rear have tan-colored outer surfaces. Overall Size: 6x6x6 cm. Crystal Size: 1-8 mm. Price: $175

#29381 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Greenish-brown crystals of vanadinite (mislabeled pyromorphite) oriented flat on matrix so the specimen resembles alligator skin. All crystals are complete and undamaged. Though labeled as from Mibladen, I suspect it is actually from Touissit, Morocco. Ex. John Durkos collection #1071 Overall Size: 6x6x3.5 cm. Crystal Size: 5-10 mm. Price: $250

#45686 - Mineral: Vanadinite, J.C. Holmes Claim, Patagonia, Santa Cruz County, Arizona. Translucent orange hexagonal dipyramidal vanadinite crystals crystallized on all surfaces of brecciated matrix. The vanadinite crystals have lustrous faces with well developed crystal form. Overall Size: 8x4x3.5 cm. Crystal Size: 0.5-7.0 mm. Price: $325

#40142 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Large deep-red vanadinite crystals on pink-brown matrix. The vanadinite crystals are highly lustrous, tabular hexagonal form, and vary from transparent to translucent. The crystals on the rear have tan-colored outer surfaces. A few small xls are missing. Overall Size: 7x6x5 cm. Crystal Size: 1-18 mm. Price: $375

#45158 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Highly lustrous red vanadinite crystals from the major find about 6 years ago that set the standard for vanadinite. The vanadinite crystals are hexagonal form with complex, parallel edge faces. Overall Size: 4x3x2.5 cm. Crystal Size: 1-18 mm. Price: $400

#29545 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Superb specimen of large lustrous red vanadinite crystals with orange-brown color on select faces. The vanadinite crystals are thick, hexagonal form, and large for the species. Overall Size: 3.5x3x2.5 cm. Crystal Size: 2-15 mm. Price: $450

#41950 - Mineral: Vanadinite and Quartz in Calcite, Grey Horse Mine, Pinal County, Arizona. Red-orange hoppered-growth (cavernous terminations) vanadinite crystals up to 7 mm with small transparent colorless quartz crystals up to 1 mm long on translucent colorless calcite that was etched away to reveal the vanadinite crystals. Ex. Robert C. Lambert #279; ex. Dick Jones (1933-1982) Overall Size: 8x6x4.5 cm. Crystal Size: micro to 7 mm. Price: $400

#49201 - Mineral: Vanadinite on Barite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Large, sparkling cluster of lustrous translucent orange hexagonal vanadinite crystals up to 2 mm across over bladed translucent white barite crystals up to 15 mm across. The specimen is fully crystallized front and rear, though the rear is mostly barite. Overall Size: 8.5x8x5 cm. Crystal Size: 0.5-15.0 mm. Price: $225

#45791 - Mineral: Vanadinite on Barite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Highly lustrous red vanadinite crystals on white barite from the find about 10 years ago noted for the vivid red color. The vanadinite crystals are tabular hexagonal form and are internally translucent. Overall Size: 4.5x3.5x2.5 cm. Crystal Size: 1-10 mm. Price: $325

#41924 - Mineral: Vanadinite on Barite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Large and colorful cluster of lustrous red vanadinite crystals up to 5 mm across on bladed white barite crystals up to 12 mm. The vanadinite crystals are tabular hexagonal form with beveled edge faces and are internally translucent. An excellent specimen Ex. Robert C. Lambert #284 Overall Size: 7x6.5x3.5 cm. Crystal Size: 1-12 mm. Price: $450

#42760 - Mineral: Vesuvianite, Jeffrey Mine, Asbestos, Québec, Canada. Sparkling cluster of lustrous green vesuvianite crystals lining complex cavities on front, side and top of the specimen. The vesuvianite crystals vary from stubby to elongated prisms with pyramidal terminations. Overall Size: 11.5x8x7 cm. Crystal Size: 1-13 mm. Price: $125

#28935 - Mineral: Witherite, Alston Moor, Cumbria, England. (Type Locality for Witherite) Crystal aggregate of yellowish witherite crystals. The surface is covered with 3-5 mm lustrous crystal faces. Fluoresces white under UV illumination. Overall Size: 9x6x4 cm. Crystal Size: 1-2 cm. Price: $175

#44883 - Mineral: Wulfenite, Red Cloud Mine, Silver District, La Paz County, Arizona. Twenty-eight translucent orange wulfenite crystals mounted in a styrofoam-lined acrylic display box for protection. Each wulfenite crystal could be remounted into an individual Perky-style thumbnail display box and you would have 28 for trading. Ex. Chas. W. Velte Jr. (1914-1987) Overall Size: 7.5x5x2.5 cm box. Crystal Size: 3-10 mm. Price: $175

#43497 - Mineral: Wulfenite, Red Cloud Mine, Silver District, La Paz County, Arizona. Many translucent orange rectangular wulfenite crystals on gray calcite matrix. The wulfenite crystals are thin plates with beveled edges and rich orange color. The largest crystal has a miniscule chip on the upper corner that is barely visible. Overall Size: 4x3x1.5 cm. Crystal Size: 0.5-12.0 mm. Price: $195

#46920 - Mineral: Wulfenite and Mimetite, Harrington-Hickory Mine, Beaver County, Utah. Shallow cavities lined with lustrous bright-orange translucent wulfenite crystals to 3.5 mm with translucent yellow botryoidal mimetite microcrystals. Overall Size: 10x6x4 cm. Crystal Size: micro to 3.5 mm. Price: $195

#43654 - Mineral: Wulfenite on Calcite and Vanadinite, Sierra de Los Lamentos, Chihuahua, Mexico. Lustrous brown blocky wulfenite crystals up to 8 mm across on white calcite crystals tp 3 mm that are coated with brown arsenic-rich vanadinite microcrystals. The cluster sits upright nicely without support. Ex. Chas. W. Velte Jr. (1914-1987) collection Overall Size: 8x8x6 cm. Crystal Size: micro to 8 mm. Price: $250

#45447 - Mineral: Wulfenite with Mimetite, San Francisco Mine, Cerro Prieto, north of Cucurpe, Sonora, Mexico. Thin transparent yellow wulfenite crystals to 18 mm across with yellow mimetite microcrystals on quartz-rich gossan. Overall Size: 7x5.5x3.5 cm. Crystal Size: micro to 18 mm. Price: $125

#44053 - Mineral: Wulfenite with Mimetite, Mina Ojuela, San Juan Potente Vein, Level 6, Mapimi, Durango, Mexico. Elongated cluster of tabular square yellow wulfenite crystals up to 7 mm across on brown limonite gossan with translucent botryoidal green mimetite hemispheres to 2 mm diameter. The wulfenite crystals are internally zoned with transparent centers. Overall Size: 12x6.5x4.5 cm. Crystal Size: micro to 7 mm. Price: $195

#45465 - Mineral: Wulfenite with Mimetite, Ahumada Mine, Sierra de Los Lamentos, Chihuahua, Mexico. Lustrous translucent orange wulfenite crystals to 7 mm across with yellow mimetite microcrystals on crusts of white calcite over limonite gossan. The wulfenite crystals are rectangular with beveled edge faces and darker center zones visible on the edges. Overall Size: 5x5x3 cm. Crystal Size: 1-7 mm. Price: $250

#44054 - Mineral: Wulfenite with Mimetite, Mina Ojuela, San Juan Potente Vein, Level 6, Mapimi, Durango, Mexico. Large cluster with translucent yellow wulfenite crystals up to 10 mm long on brown limonite gossan with botryoidal olive-colored mimetite to 3 mm diameter. The wulfenite crystal forms are unusual elongated four-sided pseudo-scalenohedrons. Overall Size: 12.5x7x6 cm. Crystal Size: micro to 10 mm. Price: $325

#44051 - Mineral: Wulfenite with Mimetite and Calcite, Mina Ojuela, San Juan Potente Vein, Level 6, Mapimi, Durango, Mexico. Large cluster with translucent yellow wulfenite crystals up to 5 mm long on brown limonite gossan with olive-colored mimetite and brown calcite microcrystals. The wulfenite crystal forms are unusual elongated four-sided pseudo-scalenohedrons. Overall Size: 11x10x2.5 cm. Crystal Size: micro to 5 mm. Price: $125

#44043 - Mineral: Wulfenite with Mimetite and Calcite, Mina Ojuela, San Juan Potente Vein, Level 6, Mapimi, Durango, Mexico. Large cluster with translucent yellow wulfenite crystals up to 7 mm long on brown limonite gossan with olive-colored mimetite and brown calcite microcrystals. The wulfenite crystal forms are unusual elongated four-sided prisms with pinacoid terminations. Overall Size: 11x9x9 cm. Crystal Size: micro to 7 mm. Price: $195

#30259 - Mineral: Wulfenite, Mimetite, Willemite, Ahumada Mine, Sierra de Los Lamentos, Chihuahua, Mexico. Large cluster of bright yellow-orange wulfenite crystals up to 8 mm across intergrown with colorless calcite and lemon-yellow mimetite on brownish willemite microcrystal matrix. The wulfenite crystals have great color and luster. Overall Size: 13x13x7 cm. Crystal Size: 1-8 mm. Price: $295

 

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