Other Minerals  Available Upon Request

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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.

#40315 - Mineral: Acanthite, Imiter Mine, Dades, Anti-Atlas Mountains, Morocco. Stalactitic formation of gray metallic acanthite crystals in an aesthetic vertical formation with largest crystal at the top. The acanthite crystals are pseudo-octahedral form and in parallel orientation. Overall Size: 3.5x1.5x1.2 cm. Crystal Size: 1-15 mm. Price: $250

#40314 - Mineral: Acanthite, Imiter Mine, Dades, Anti-Atlas Mountains, Morocco. Stalactitic formation of gray metallic acanthite crystals mounted on an acrylic display base (I will remove the base upon request). The acanthite crystals are pseudo-octahedral form and in parallel orientation. Overall Size: 3.5x2x1.5 cm. Crystal Size: 3-18 mm. Price: $325

#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

#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

#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: $295

#41324 - Mineral: Analcime, Stilbite, Prehnite, Natrolite, Calcite, Quartz, Upper New Street Quarry, Paterson, Passaic County, New Jersey. Exceptionally large cluster with many minerals: etched white analcime crystals to 35 mm, translucent green prehnite crystal aggregates to 5 mm diameter, yellow stilbite crystals to 10 mm, acicular white natrolite to 12 mm, with minor quartz and calcite. Collected in 2008 Overall Size: 20x16x8 cm. Crystal Size: 1-35 mm. Price: $150

#32814 - Mineral: Anatase, Kharan Mountain, Baluchistan, Pakistan. Dark blue anatase crystal nestled in white matrix with another anatase crystal on the edge. The anatase is translucent when strongly illuminated (most notable in the thinnest areas). From a new find near the recent brookite discovery of 2005. No damage. Overall Size: 5x3x2 cm. Crystal Size: 5-8 mm. Price: $175

#40727 - Mineral: Andradite var. Melanite, New Idria District, San Benito County, California. Large lustrous black andradite garnet crystals, variety melanite, on crystallized clinochlore-coated matrix. The andradite crystals are among the best I have seen from the locality, though two are chipped. Overall Size: 8x5x2.5 cm. Crystal Size: 0.5-13.0 mm. Price: $150

#41935 - Mineral: Andradite var. Melanite Garnet, La Prieta Mine, Chihuahua, Mexico. Highly lustrous large black andradite garnet crystals on massive andradite matrix. The brilliant crystal faces have well defined growth-hillocks showing how the crystals grew in successive layers. A few of the corners around the periphery are incomplete. Ex. Robert C. Lambert #6; acquired in 1994 Overall Size: 7x5x3.5 cm. Crystal Size: 1-30 mm. Price: $225

#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

#40332 - Mineral: Apophyllite-(KF), Pashan Hill Quarry, Pune District, Maharashtra, India. Large cluster of lustrous transparent vivid-green apophyllite crystals on a thin crust of colorless quartz microcrystals. The high refractive index and pyramidal terminations are highly reflective making this specimen very attractive. Overall Size: 6x4x3.5 cm. Crystal Size: 10-20 mm. Price: $250

#42125 - Mineral: Apophyllite-(KF) on Calcite, Momin Akhada, near Rahuri, 50 km north of Ahmednagar, Maharashtra, India. An unusual specimen of apophyllite on calcite from the famous find encountered when digging a well. The apophyllite crystals up to 22 mm long in a flower-like radiating cluster formed on the side of a translucent yellow calcite crystal. Ex. Robert C. Lambert #276; acquired in 2003 Overall Size: 8x5x3 cm. Crystal Size: 1-22 mm. Price: $550

#40333 - Mineral: Apophyllite-(KF) with Stilbite, Pashan Hill Quarry, Pune District, Maharashtra, India. Lustrous transparent vivid-green apophyllite crystals up to 20 mm long with colorless stilbite crystals up to 8 mm long. The high refractive index and pyramidal terminations are highly reflective. Overall Size: 5.5x5.5x4 cm. Crystal Size: 5-20 mm. Price: $350

#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

#44209 - Mineral: Apophyllite-(KF), Stilbite-Ca, Quartz on Calcite, Jalgaon, Maharashtra, India. Lustrous rhombohedral pale-brown calcite crystal 40 mm across overgrown on three sides with colorless transparent apophyllite crystals to 28 mm, bladed white stilbite crystals to 5 mm and lustrous colorless quartz crystals to 2 mm. Overall Size: 7x4.5x4 cm. Crystal Size: 1-40 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

#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

#12139 - Mineral: Azurite, Copper Queen Mine, Bisbee, 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

#40560 - Mineral: Azurite and Malachite, Phelps Dodge Morenci Mine, Morenci, Greenlee County, Arizona. Colorful cluster velvety green malachite with sparkling dark-blue azurite crystals up to 1 mm. One side was sawn to remove excess matrix without damage. Overall Size: 9x6x6 cm. Crystal Size: 0.5-1.0 mm. Price: $150

#41236 - Mineral: Azurite and Malachite, Milpillas Mine, 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

#42000 - Mineral: Azurite and Malachite, Touissit Mine, south of Oujda, Morocco. Elongated dark-blue azurite crystals up to 25 mm with lustrous faces and terminations with complex patterns of smaller faces. A few of the azurite crystals are partially altered to green malachite, that if continued would have resulted in pseudomorphs. Ex. Robert C. Lambert #62; acquired in 1985 from R. Behnke Overall Size: 5x4x3.5 cm. Crystal Size: 10-25 mm. Price: $400

#41949 - Mineral: Azurite with Malachite, Copper Queen Mine, Bisbee, 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

#41747 - Mineral: Azurite with Malachite, Bisbee, Cochise County, Arizona. Vivid blue azurite crystals up to 4 mm with fibrous green malachite crystals in a dense mat along the top edge. The azurite crystals look beautiful when viewed under magnification. The specimen is mounted to an acrylic display base for support. Ex. Robert C. Lambert #102 Overall Size: 5x4x2 cm. Crystal Size: 1-4 mm. Price: $350

#42159 - Mineral: Azurite with Malachite, Copper Queen Mine, Bisbee, 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, 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, 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

#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

#44577 - Mineral: Barite, Cheshire Barytes Mine, Jinny Hill Road, Cheshire, New Haven County, Connecticut. Transparent colorless bladed barite crystal with chisel-shaped termination. The barite crystal is large and well crystallized for this old locality that closed in 1871 (most specimens from this mine were opaque white). Ex. Miller collection ca. 1900 Overall Size: 7x7x1 cm. Crystal Size: 70 mm. Price: $450

#44578 - Mineral: Barite, Cheshire Barytes Mine, Jinny Hill Road, Cheshire, New Haven County, Connecticut. Transparent colorless bladed barite crystals with chisel-shaped terminations. The barite crystals are large and well crystallized for this old locality that closed in 1871 (most specimens from this mine were opaque white). Ex. Miller collection ca. 1900 Overall Size: 8.5x8x2 cm. Crystal Size: 40-80 mm. Price: $550

#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

#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: $450

#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

#41750 - Mineral: Barite, Cartersville District, Bartow County, Georgia. Transparent blue-gray barite crystals with glassy crystal faces on a slim plate of matrix. This is a classic barite locality highly sought after by collectors, and this specimen has excellent luster and clarity for the locale. Ex. Robert C. Lambert #340; ex. Sensel #M1255; ex. R. Behnke Overall Size: 8x5x5 cm. Crystal Size: 10-40 mm. Price: $250

#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

#42171 - Mineral: Barite, Meikle Mine, Elko County, Nevada. Transparent golden-yellow barite crystals with glassy crystal surfaces on minor limonite matrix. The barite crystals are flattened (tabular) rhombohedrons. One crystal on the end has a contact on the corner where it intersected an adjacent crystal. Ex. Robert C. Lambert #570; acquired in 1999 Overall Size: 6x4x3 cm. Crystal Size: 5-29 mm. Price: $395

#43376 - Mineral: Barite, Cerro Warihuayin, Huanuco Department, Peru. Glassy crystals of transparent smoky-gray barite crystals with remnants of brown matrix on the bottom. The barite are tabular (thin) rectangular blades with beveled edge faces all around. Overall Size: 5x4x3 cm. Crystal Size: 15-50 mm. Price: $150

#41887 - Mineral: Barite, Cavnic (Kapnik) Mine, Maramures, Romania. Large translucent bladed barite crystals in a fan-shaped cluster of radiating crystals. The excellent color and luster make this an attractive specimen. Ex. Robert C. Lambert #309 Overall Size: 9x7x5 cm. Crystal Size: 10-50 mm. Price: $275

#42202 - Mineral: Barite, Baia Sprie, 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

#41808 - Mineral: Barite and Stibnite, Baia Sprie (formerly Felsobanya), Maramures, Romania. Transparent colorless bladed barite crystals up to 15 mm across overgrown on dark metallic elongated stibnite crystals up to 35 mm long. Some of the barite crystals are completely transparent. A few of the stibnite crystals are terminated. Ex. Robert C. Lambert #262 Overall Size: 8x6.5x5 cm. Crystal Size: 3-35 mm. Price: $350

#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

#18630 - Mineral: Barite on Fluorite, Mina Emilio, Villaviciosa, Asturias, Spain. Water-clear crystals of cubic fluorite up to 25 mm with overgrowth of colorless, bladed barite crystals up to 12 mm. The fluorite crystals appear as gray because the color of the underlying matrix is showing through the fluorite. Overall Size: 10.5x9x7 cm. Crystal Size: 4-25 mm. Price: $350

#41821 - Mineral: Barite on Malachite, Shangulowe Copper Mine, near Mulingisha, Shaba Copper Belt, Democratic Republic of the Congo (Zaire). Transparent to translucent bladed barite crystals up to 22 mm long on green malachite in smooth, rounded aggregates from the famous find dating to 1989-1990. Ex. Robert C. Lambert #554 Overall Size: 5x4.5x3.5 cm. Crystal Size: 3-22 mm. Price: $350

#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

#40129 - Mineral: Bastnäsite-(Ce), Zegi Mountain, near Abdul Rehman Kala, Pakistan. Doubly-terminated hexagonal translucent yellow-brown bastnäsite-(Ce) crystal perched on one edge of limonite stained matrix with a few small black hematite crystals up to 6 mm across. The bastnäsite-(Ce) crystal is quite large for this rare species. Overall Size: 5x4x4 cm. Crystal Size: 16 mm. Price: $795

#40277 - Mineral: Beryl var. Aquamarine, Nuristan, Laghman Province, Afghanistan. Doubly-terminated crystal of transparent blue beryl (gem variety aquamarine) with complexly etched surfaces throughout and white albite microcrystals in one area of one termination. This specimen must be seen in person to be appreciated. Overall Size: 4.5x4x4 cm. Crystal Size: 4 cm. Price: $500

#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

#43276 - Mineral: Beryl var. Aquamarine, Erongo Mountains, 20 km north of Usakos, Namibia. Two connected transparent blue beryl crystals, variety aquamarine, with no matrix attached. The aquamarine crystals are hexagonal prisms with flat pinacoid terminations and have glassy crystal faces. Overall Size: 35x19x17 mm. Crystal Size: 17-35 mm. Price: $125

#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

#41401 - 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. The bottom rear corner is incomplete. Overall Size: 27x15x12 mm. Crystal Size: 27 mm. 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

#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

#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

#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

#44232 - Mineral: Beryl var. Aquamarine, Shigar Valley, Skardu District, Northern Areas, Pakistan. Transparent aquamarine crystal, the blue gem variety of the mineral species beryl, in white quartz-albite matrix. One side was trimmed to expose the aquamarine crystal running completely through the matrix and tapering from 25 mm wide to 5 mm wide. Overall Size: 7x7x6 cm. Crystal Size: 58 mm. Price: $400

#40256 - Mineral: Beryl var. Aquamarine, Shigar Valley, Skardu District, Baltistan, Pakistan. Large crystal of transparent aquamarine beryl mounted to an acrylic display base. The aquamarine crystal has clean, glassy crystal faces and flat pinacoid termination with an etched crystallization pattern. Internally are chatoyant silky zones. Overall Size: 9x3x2 cm. Crystal Size: 9 cm. Price: $2500

#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

#35894 - Mineral: Beryl var. Aquamarine with Muscovite, Nuristan, Laghman Province, Afghanistan. Gemmy parallel glassy aquamarine beryl crystals with sprinkling of silvery muscovite microcrystals on the prism faces on one side. The aquamarine crystals have pinacoid terminations and striated prism faces. The top edge has small chip on one edge. Overall Size: 72x44x35 mm. Crystal Size: .5-68 mm. Price: $700

#40203 - Mineral: Beryl var. Aquamarine with Muscovite, Xuebaoding Mountain near Pingwu, Sichuan Province, China. Two parallel crystals of translucent aquamarine beryl up to 50 mm across with silvery muscovite mica crystals up to 8 mm on one corner. The aquamarine crystals are tabular hexagonal form with secondary edge and corner crystal faces. Overall Size: 6x4x4 cm. Crystal Size: 3-50 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, Maguan-Malipo District, 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

#40302 - Mineral: Beryl var. Emerald on Calcite, La Pita Mine, Vasquez-Yacopi District, Colombia. Three gemmy medium-green hexagonal emerald crystals (the green gem variety of beryl) in milky calcite matrix. The emerald crystals have good clarity, but the color is not as rich as some of the other emeralds I have. Overall Size: 29x19x12 mm. Crystal Size: 7-13 mm. Price: $525

#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

#36889 - Mineral: Bournonite on Pyrite, Cavnic (Kapnik) Mine, Maramures, Romania. Brilliantly lustrous bournonite crystals up to 5 mm long on matrix of bournonite and yellow metallic pyrite crystals. The bournonite crystals are all complex cogwheel-twins with striated prism faces. Overall Size: 3.5x3x2.5 cm. Crystal Size: 1-5 mm. Price: $150

#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

#44456 - Mineral: Calcite, Príbram, Bohemia, Czech Republic. Thin platy translucent white calcite crystals with remnants of matrix included in the bottom. Overall Size: 6.5x5x3 cm. Crystal Size: 4-30 mm. Price: $225

#44637 - Mineral: Calcite, Bigrigg Mine, near Egremont, Cumberland, England. Transparent single calcite crystal with faint reddish hematite coating on a few faces and no matrix attached. The calcite crystal is prismatic hexagonal form with scalenohedral-rhombohedral termination faces. Ex. Chas. W. Velte Jr. (1914-1987) Overall Size: 5.5x2.5x2 cm. Crystal Size: 48 mm. Price: $175

#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

#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

#42256 - Mineral: Calcite (Mn-rich) with Pyrite, Pachapaqui District, Ancash Department, Peru. Blocky light-pink calcite crystals up to 20 mm across with yellow metallic 1 mm pyrite crystals scattered over several sides of the specimen. The pink color of the calcite is due to high manganese content. Has minor glue from previous base on bottom. Ex. Robert C. Lambert #147; acquired in 1991 Overall Size: 7x4x3.5 cm. Crystal Size: 1-20 mm. Price: $395

#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

#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

#43379 - Mineral: Calcite (twinned crystals), Sokolovskiy-Sarbaiskiy Mine, Rudnyy, Kustanay Oblast, Kazakhstan. Flawless yellow rhombohedral calcite crystals with minor matrix on the bottom mounted to an acrylic display stand for support. The calcite crystals are interpenetrant twinned - a classic formation from this locality. Overall Size: 3.5x3x3 cm. Crystal Size: 30 mm. Price: $150

#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

#29059 - Mineral: Calcite - twinned crystals, Tri-State Lead Mining District, near Joplin, Jasper County, Missouri. Twinned crystals of golden, translucent calcite without matrix. The surfaces are clean with an etched pattern on some surfaces. The crystals are twinned on the {01·2} plane one of the rarer forms (more commonly they twin on the {01·8} plane). No damage. Overall Size: 14x6x5 cm. Crystal Size: 14 cm. Price: $125

#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

#41755 - Mineral: Calcite var. Poker Chip-habit, Charcas District, San Luis Potosi, Mexico. Large hexagonal tabular white calcite crystals commonly called Poker Chip Calcite because of the resemblance to loose poker chips. The calcite crystals have white outer faces with transparent colorless zones running through the centers. Ex. Robert C. Lambert #273 Overall Size: 10x6x6 cm. Crystal Size: 10-50 mm. Price: $575

#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

#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

#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

#36222 - Mineral: Calcite with sand inclusions, Rattlesnake Butte (Devils Hill), Shannon County, South Dakota. Elongated crystals of calcite with gray sand inclusions (commonly called Sand Calcite). The cluster is very sculptural and can be displayed horizontally and vertically (with support). Collected ca. 1980 Overall Size: 15x8x5 cm. Crystal Size: 1.5-7 cm. Price: $125

#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

#43415 - Mineral: Calcite, Goethite, Malachite, Copper Queen Mine, Bisbee, Cochise County, Arizona. Translucent calcite crystals up to 33 mm long with fibrous green malachite crystals up to 3 mm long on brown goethite crystals in hemispherical aggregates up to 4 mm diameter. Note the bright green malachite inclusions visible inside the calcite. Overall Size: 9x6x5 cm. Crystal Size: 1-33 mm. Price: $225

#40325 - Mineral: Carrollite, Kamoye Mine, Kambowe, Katanga, Democratic Republic of the Congo (Zaire). Complex crystal of bright metallic carrollite on white marble matrix. The carrollite crystal has mirror-like surface luster. One corner has an irregular shape that appears to be a natural contact from a surrounding crystal. Overall Size: 4x3x2.2 cm. Crystal Size: 16 mm. Price: $595

#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

#43239 - Mineral: Cassiterite (twinned crystals), Horni Slavkov (Schlagenwald), Bohemia, Czech Republic. Lustrous black cassiterite crystals exposed on one face of quartz-fluorite matrix. The cassiterite crystals have slightly striated crystal faces and every crystal is twinned as evidenced by the reentrant faces in the corners of each pair. Ex. Fred DeVito (1937-2004) collection Overall Size: 8x7x5 cm. Crystal Size: 4-25 mm. Price: $350

#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

#44065 - Mineral: Cavansite on Stilbite, Wagholi Quarry, Maharashtra, India. Hemispherical sprays to 10 mm diameter of bright blue cavansite crystals to 5 mm long scattered over beige-colored stilbite crystals to 1 mm plus larger colorless doubly-terminated stilbite crystals to 30 mm long. Overall Size: 11x7x4 cm. Crystal Size: 1-30 mm. Price: $450

#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

#39360 - Mineral: Cavansite on Stilbite-Ca, Wagholi Quarry, Maharashtra, India. Rosette-shaped cluster 15 mm across of vivid blue-green cavansite crystals perched on matrix coated with colorless stilbite crystals up to 15 mm long. The intense color of the cavansite is impossible to capture in photos - must be seen. Overall Size: 9x5x5 cm. Crystal Size: 1-15 mm. Price: $225

#40138 - Mineral: Cavansite on Stilbite-Ca, Wagholi Quarry, Maharashtra, India. Vivid blue cavansite crystals up to 5 mm long in individual crystals and rosettes up to 16 mm diameter on sparkling quartz microcrystals with colorless stilbite crystals up to 24 mm long. The individual crystals are transparent (beautiful under 20X). Overall Size: 8x5x4 cm. Crystal Size: 1-24 mm. Price: $300

#40137 - Mineral: Cavansite on Stilbite-Ca, Wagholi Quarry, Maharashtra, India. Four spherical rosettes up to 15 mm diameter of vivid blue cavansite crystals on thin crystallized plates of colorless stilbite-Ca crystals up to 10 mm and sparkling quartz microcrystals completely covering one face of basalt matrix. Excellent color! Overall Size: 8x5x5 cm. Crystal Size: micro to 10 mm. Price: $500

#37842 - Mineral: Cavansite, Calcite, Stilbite-Ca, Wagholi Quarry, Maharashtra, India. Unusual combination of rosettes up to 10 mm diameter of blue cavansite crystals on colorless stilbite-coated matrix with crystals of transparent colorless calcite crystals up to 1 mm scattered on the cavansite. Very attractive. Overall Size: 7x4x4 cm. Crystal Size: 1-5 mm. Price: $250

#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

#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

#27511 - Mineral: Celestine on Sulfur, Girgenti, Sicily, Italy. Prismatic crystals of lustrous, colorless celestine (celestite) up to 15 mm long with partial coating on the sides of yellow sulfur microcrystals. The celestine fluoresces white under UV illumination. Ex. A. Lincoln Sherk II, MD. (1896-1970); ex. Dr. Egee Overall Size: 8x7x5 cm. Crystal Size: micro to 15 mm. Price: $125

#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

#43375 - Mineral: Cerussite (reticulated twinned crystals), Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Translucent colorless cerussite crystals with glassy crystal faces and exhibiting complex 60° twinning resulting in highly reticulated formation. All cerussite crystals are in parallel orientation, reflecting light off all faces simultaneously. Overall Size: 5.5x5x4.5 cm. Crystal Size: 5-35 mm. Price: $750

#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

#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

#41983 - Mineral: Chalcocite with Bornite coating, Flambeau Mine, Ladysmith, Rusk County, Wisconsin. Superb specimen of parallel chalcocite crystals with iridescent blue-to-purple bornite coating throughout. Remnants of glue from a previous base are on the bottom edge. For more information on the site see: Flambeau Mine in Rocks and Minerals v.72 #5. Ex. Robert C. Lambert #71; acquired in 1999 Overall Size: 4x3.5x2 cm. Crystal Size: 5-14 mm. Price: $1000

#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: $850

#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

#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

#39182 - Mineral: Chrysoberyl (twinned crystals), Colatina, Espirito Santo, Brazil. Flat sixling-twinned translucent greenish-brown chrysoberyl crystals with distinct surface patterns showing five distinct crystals radiating from a common center. Overall Size: 18x15x4 mm. Crystal Size: 5-10 mm. Price: $110

#39181 - Mineral: Chrysoberyl (twinned crystals), Colatina, Espirito Santo, Brazil. Flat sixling-twinned translucent greenish-brown chrysoberyl crystals with distinct surface patterns showing five distinct crystals radiating from a common center. One edge intersected an adjacent crystal leaving a contact. Overall Size: 18x16x3.5 mm. Crystal Size: 5-10 mm. Price: $125

#39177 - Mineral: Chrysoberyl (twinned crystals), Colatina, Espirito Santo, Brazil. Two V-twinned translucent chrysoberyl crystals with one corner that is gemmy and has potential for producing a 4 mm faceted gemstone. The V-twin is asymmetric with one crystal much longer than the other. Overall Size: 31x18x10 mm. Crystal Size: 27-21 mm. Price: $135

#39178 - Mineral: Chrysoberyl (twinned crystals), Colatina, Espirito Santo, Brazil. Flat sixling-twinned translucent greenish-brown chrysoberyl crystals with distinct surface patterns showing six distinct crystals radiating from a common center. The right edge intersected an adjacent crystal leaving a contact. Overall Size: 21x21x5 mm. Crystal Size: 10-15 mm. Price: $155

#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

#43853 - Mineral: Clinoclase, Cornubite, Cornwallite, Majuba Hill, Pershing County, Nevada. Lustrous blue-black clinoclase crystals up to 3 mm across on pale green cornubite and translucent forest-green cornwallite microcrystals (looks beautiful under magnification). The cluster sits upright nicely without additional support. Overall Size: 5x5x4.5 cm. Crystal Size: micro to 3 mm. Price: $165

#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: $650

#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

#43392 - Mineral: Copper (crystallized), Osceola Mine, Houghton County, Keweenaw Peninsula Copper District, Michigan. Arborescent native copper crystals with long, central copper crystals 65 mm long with smaller copper crystals branching off, with even smaller copper crystals on them. The copper crystals are exposed on the front and rear of the specimen. Overall Size: 6.5x4x2.5 cm. Crystal Size: 1-65 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

#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: $1750

#44644 - Mineral: Copper in Calcite, Copper Queen Mine, Bisbee, Cochise County, Arizona. Colorless transparent scalenohedral calcite crystals up to 10 mm with bright metallic copper inclusions visible inside and with arborescent native copper with brown patina in the crevices between the calcite crystals. Ex. Chas. W. Velte Jr. (1914-1987) collection #61 Overall Size: 4.5x4x3.5 cm. Crystal Size: 1-10 mm. Price: $175

#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

#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 Mine, Seeis, 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

#39888 - Mineral: Danburite, Charcas District, San Luis Potosi, Mexico. Uncommonly large intersecting pale-pink danburite crystals with glassy crystal faces and many smaller danburite crystals overgrown on the lower surfaces. Note the unusual sawtooth crystal faces across the termination edge of the largest crystal. Overall Size: 9x8x5 cm. Crystal Size: 5-100 mm. Price: $195

#41793 - Mineral: Datolite on Quartz, Dalnegorsk, Primorskij Kraj, Russia. Large lustrous green-gray datolite crystals up to 25 mm across overgrown on translucent quartz crystals up to 29 mm long. The datolite crystals are translucent with areas of transparency. The quartz crystals are included with an unknown brown mineral. Ex. Robert C. Lambert #346 Overall Size: 8x5x4 cm. Crystal Size: 10-29 mm. Price: $400

#44302 - Mineral: Datolite with Quartz, Dalnegorsk, Primorskij Kraj, Russia. Translucent green datolite crystals up to 25 mm with an elongated milky quartz crystal 20 mm long standing upright off the cluster. The datolite and quartz crystals have etched crystal faces that result in textured luster. Overall Size: 7x5.5x4 cm. Crystal Size: 2-25 mm. Price: $125

#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

#45124 - Mineral: Dioptase, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Large crystals of emerald-green dioptase on colorless calcite matrix. The dioptase crystals are highly lustrous and internally transparent. Overall Size: 3.5x2.5x1.5 cm. Crystal Size: 5-15 mm. Price: $350

#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

#42095 - Mineral: Dioptase, Mindouli, Pool, Republic of Congo. Elongated lustrous emerald-green dioptase crystals with no matrix attached. The inner core of the crystals has layered growth of opaque and translucent dioptase as shown on the end of a crystal where it intersected the cavity wall.. Great color! Ex. Robert C. Lambert #99; acquired in 1975 from Pala Overall Size: 5x3x1 cm. Crystal Size: 4-18 mm. Price: $400

#40132 - Mineral: Dioptase and Shattuckite, Omaue, Kaokoveld, Namibia. Colorful cluster of lustrous deep-green translucent dioptase crystals up to 11 mm long in a shallow cavity lined with baby-blue shattuckite microcrystals. The quartz matrix was sawn flat on the bottom so the specimen sits nicely without support. Overall Size: 6x4x3 cm. Crystal Size: 0.5-11.0 mm. Price: $700

#40127 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Vivid green sparkling dioptase crystal scattered in several cavities in calcite-rich matrix. The dioptase crystals are emerald-green, transparent, highly lustrous, with rich coverage throughout. Overall Size: 6x5.5x4.5 cm. Crystal Size: 1-3 mm. Price: $250

#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

#40252 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Brilliant emerald-green dioptase crystals up to 11 mm long on colorless rhombohedral calcite crystals up to 1 mm. Excellent color and luster. One crystal on the lower right edge is incomplete where the specimen was attached to surrounding matrix. Overall Size: 7x4x3.5 cm. Crystal Size: 1-11 mm. Price: $550

#41796 - Mineral: Dioptase on Calcite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Brilliantly lustrous emerald-green dioptase crystals up to 9 mm across with colorless calcite crystals up to 4 mm across. The dioptase is crystallized on all sides. One side is all dioptase, other areas have dioptase scattered over the calcite. Showy, Ex. Robert C. Lambert #5; ex. A. Mann; ex. L. Conklin Overall Size: 6x5x5 cm. Crystal Size: 1-9 mm. Price: $2500

#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

#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

#38774 - Mineral: Edgarite with Pyrrhotite, Kaskasnyunchorr, Khibiny Massfif, Kola Peninsula, Russia. (Type Locality for Edgarite) Compact mass of crystallized dull gray edgarite with bronze-colored pyrrhotite. Overall Size: 16x15x12 mm. Crystal Size: 0.5-2.0 mm. Price: $115

#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

#40260 - Mineral: Elbaite Tourmaline, Nuristan, Laghman Province, Afghanistan. Terminated bi-colored elbaite tourmaline crystals fully crystallized all around. The color of the elbaite crystals is a unique neon-green color with pale-pink zone at the termination. The specimen is mounted to an acrylic base for display. Overall Size: 51x13x12 mm. Crystal Size: 28-51 mm. Price: $750

#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

#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

#42376 - Mineral: Elbaite Tourmaline, Chapadinha Mine, Itinga, Minas Gerais, Brazil. Transparent steel-blue elbaite tourmaline with interesting pink outer zones that show when light is passed through from rear. The elbaite crystal has a flat pinacoid termination with complex crystal patterns on the surface and edges. Overall Size: 36x11x10 mm. Crystal Size: 36 mm. Price: $150

#41710 - Mineral: Elbaite Tourmaline, Minas Gerais, Brazil. Transparent elbaite tourmaline crystal with shallow pyramidal termination and color that varies from green to blue-green at the termination. Overall Size: 26x10x9 mm. Crystal Size: 26 mm. Price: $150

#41430 - 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: 36x14x13 mm. Crystal Size: 36 mm. Price: $175

#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

#44315 - Mineral: Elbaite Tourmaline, Pederneira Mine, Minas Gerais, Brazil. Translucent bi-colored elbaite tourmaline crystal with green-gray color throughout with dark-pink zone at the pinacoid termination. The elbaite crystal prism faces are striated with lustrous faces; the termination has a heavily etched texture. Overall Size: 53x19x15 mm. Crystal Size: 10-53 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

#44685 - Mineral: Elbaite Tourmaline, Itatiaia Mine, Conselheiro Pena, Minas Gerais, Brazil. Two specimens of translucent green elbaite tourmaline crystals that are in the shape of the number 41 (or 14 if you change positions). Internally the elbaite crystals have chatoyant cores composed of fine, fibrous elbaite. Overall Size: 8.5x6x1.5 cm overall. Crystal Size: 20-85 mm. Price: $450

#41781 - Mineral: Elbaite Tourmaline, Pederneira Mine, Minas Gerais, Brazil. Two intersecting bi-colored elbaite tourmaline crystals with no matrix attached. The crystals were skillfully repaired in 5 place by Bryan Lees. The specimen stands upright without support. Ex. Robert C. Lambert #609; ex. Himes (Repaired in 5 places) Overall Size: 7.5x7.5x3 cm. Crystal Size: 8 cm. Price: $1250

#35649 - Mineral: Elbaite Tourmaline, Khat Chay Mine, Momeik, Burma (Myanmar). Mushroom-shaped elbaite tourmaline crystals translucent red color, with a radiating internal structure and many minute crystal terminations. On the bottom the dark tourmaline core is visible and the crystals that transition from black to red. No damage. Overall Size: 40x35x30 mm. Crystal Size: 10-20 mm. Price: $575

#41708 - Mineral: Elbaite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Doubly-terminated bi-colored elbaite tourmaline crystal with flat pinacoid termination and secondary edges faces. Most of the tourmaline crystal is translucent pink but the upper termination zone is intense green color. Overall Size: 24x20x20 mm. Crystal Size: 20 mm. Price: $225

#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

#44412 - Mineral: Elbaite Tourmaline, Mount Apatite, 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

#40312 - Mineral: Elbaite Tourmaline, Malchanskoye pegmatite field, Transbaikalia, Siberia, Russia. Translucent pink elbaite tourmaline crystal with shallow pyramidal termination and several faces partially coated with gray muscovite microcrystals. The termination has sparkling internal reflections that resemble metallic inclusions. Overall Size: 30x25x20 mm. Crystal Size: 30 mm. Price: $250

#35417 - Mineral: Elbaite Tourmaline Slice, Madagascar. Large slice of transparent ruby-red elbaite tourmaline with a thin green outer rind. The slice was polished on one side. This is an extraordinary specimen notable for it's size and completeness. No damage. Collected in the 1970s Overall Size: 12x12x1 cm. Crystal Size: 12 cm. Price: $2950

#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

#41366 - Mineral: Elbaite Tourmaline with Albite, Minas Gerais, Brazil. Terminated bi-colored elbaite tourmaline crystal with minor white albite attached on one side. The elbaite crystal has a transparent colorless layer over a translucent zone and a opaque black lower zone. Overall Size: 4.5x3x3 cm. Crystal Size: 35 mm. Price: $175

#42374 - Mineral: Elbaite Tourmaline with Albite, Stak Nala, Skardu District, Northern Areas, Pakistan. Transparent elbaite tourmaline crystal with flat pinacoid termination modified by secondary faces on the edges plus minor platy albite crystals attached on one side. The elbaite crystal is pink at the top, then green, colorless and brown (pink+green) Overall Size: 26x25x21 mm. Crystal Size: 25 mm. Price: $165

#41712 - Mineral: Elbaite Tourmaline with Lepidolite, Himalaya Mine, Mesa Grande District, San Diego County, California. Bi-colored elbaite tourmaline crystal with flat pinacoid termination and secondary edges faces. Most of the tourmaline crystal is translucent pink but the upper termination zone is intense green color. One side has a small group of purple lepidolite. Overall Size: 25x17x15 mm. Crystal Size: 4-25 mm. Price: $175

#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

#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

#43402 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Prismatic translucent pink rubellite crystal, the pink gem variety of elbaite tourmaline. The rubellite crystal has medium pink color throughout with a 2 mm thick green zone at the pinacoid termination. Overall Size: 25x13x12 mm. Crystal Size: 25 mm. Price: $225

#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

#43401 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Doubly-terminated single crystal of rubellite tourmaline, the pink gem variety of the mineral species elbaite. The rubellite crystal has striated prism faces and pyramidal termination on one end and flat pinacoid termination on the other. Overall Size: 22x19x17 mm. Crystal Size: 22 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

#43391 - Mineral: Elbaite var. Rubellite Tourmaline, Himalaya Mine, Mesa Grande District, San Diego County, California. Large, doubly-terminated rubellite tourmaline crystal with deep pink color in half of the crystal. One termination is the pinacoid with secondary corner faces, the other termination has many prismatic crystals with a broad parallel face in common. Overall Size: 63x33x31 mm. Crystal Size: 63 mm. Price: $1200

#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

#43595 - 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

#43438 - Mineral: Elbaite var. Rubellite Tourmaline with Lepidolite, Himalaya Mine, Mesa Grande District, San Diego County, California. Translucent pink rubellite tourmaline crystal 35 mm long with rosettes of lilac-colored lepidolite crystals all around the sides. The rubellite crystal is terminated with pinacoid and secondary faces and has a green zone at the termination. Overall Size: 35x25x22 mm. Crystal Size: 2-35 mm. Price: $300

#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

#41999 - Mineral: Elbaite var. Rubellite Tourmaline with Quartz, Himalaya Mine, Mesa Grande District, San Diego County, California. Doubly-terminated translucent pink rubellite tourmaline crystal 33 mm long attached to a doubly-terminated pale smoky quartz crystal 27 mm long. The rubellite crystal has a pinacoid termination at one end and a steep angled termination at the other. Ex. Robert C. Lambert #246; acquired in 1978 from P. Scalisi Overall Size: 3.5x2.5x1.5 cm. Crystal Size: 27-33 mm. Price: $250

#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

#37940 - Mineral: Enargite with Quartz, Longfellow Mine, Red Mountain pass, Silverton District, San Juan County, Colorado. Brilliantly lustrous dark enargite crystals up to 9 mm with scattered patches of colorless quartz microcrystals. The enargite crystals are well crystallized, with striated crystal faces the result of complex twinning. A beautiful specimen. Ex. Mitch Gunnell; ex. Calvert (no old labels) Overall Size: 8x7x2 cm. Crystal Size: 0.5-9.0 mm. Price: $400

#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

#39536 - Mineral: Epidote with Prehnite, near Diakon, Kayes Region, Mali. Large cluster of prismatic dark green-black epidote crystals up to 45 mm long with a hemispherical translucent green prehnite crystal group 18 mm diameter. The prehnite crystals have striated prism faces with chisel-shaper terminations. Overall Size: 13x9x6 cm. Crystal Size: 1-45 mm. Price: $195

#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

#37573 - Mineral: Euclase on Quartz, Ecuador, Rio Grande do Norte, Brazil. Large milky quartz crystal 10 cm long with etched termination and pock-marked exterior surfaces on two sides. One side has many transparent colorless euclase crystals up to 5 mm scattered over the surface. This is genuine - not one of the recent fakes. Overall Size: 10x5x4 cm. Crystal Size: 1-100 mm. Price: $250

#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

#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

#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

#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

#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

#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

#42263 - Mineral: Fluorite, Walworth Quarry, Wayne County, New York. Several transparent cubic fluorite crystals on limestone matrix. The fluorite crystals pale-blue color and have glassy crystal faces. The large fluorite crystal on the right rear has been restored into position (no visible glue). Ex. Robert C. Lambert #511; acquired in 1999 Overall Size: 6x4x3.5 cm. Crystal Size: 2-19 mm. Price: $125

#40117 - Mineral: Fluorite, Riemvasmaak, Gordonia District, Northern Cape Province, South Africa. New find of vivid green octahedral fluorite crystals in a cluster of interconnected crystals. The green color of the fluorite from this locality is unique. The fluorite on the left side has yellow fluorite microcrystals on the surface. Overall Size: 5.5x5.5x4 cm. Crystal Size: 1-18 mm. Price: $250

#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

#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

#36424 - Mineral: Fluorite (pink), Göschener, Canton Uri, Switzerland. Large octahedral pink fluorite crystals with remnants of white albite matrix on the rear. The fluorite crystals are translucent and have silky surface luster. The octahedral crystals have dodecahedral edge modifications and many parallel crystal faces. Overall Size: 3.5x3x3 cm. Crystal Size: 1-28 mm. Price: $325

#39129 - Mineral: Fluorite (rare botryoidal form) on Quartz, Tekhdi, Madhya Pradesh, India. Translucent yellow-green fluorite in hemispherical formations up to 40 mm diameter on matrix of small colorless quartz crystals. The fluorite is actually transparent internally, but the dull outer texture conceals the inner clarity. Collected in 2007 from a new locality in central India Overall Size: 7x6x3.5 cm. Crystal Size: 25-40 mm botryoids. Price: $150

#39132 - Mineral: Fluorite (rare botryoidal form) on Quartz, Tekhdi, Madhya Pradesh, India. Botryoidal formations of translucent green-beige fluorite on colorless quartz crystals. The fluorite is 27 and 19 mm diameter and have a fringe of microcrystalline white quartz around the perimeter. One edge shows radial crystal structure. Collected in 2007 from a new locality in central India Overall Size: 9x6x3 cm. Crystal Size: 19-27 mm botryoids. Price: $150

#39133 - Mineral: Fluorite (rare botryoidal form) on Quartz, Tekhdi, Madhya Pradesh, India. Botryoidal formations of translucent amber-colored fluorite on colorless quartz crystals. The fluorite is 31 and 32 mm diameter and have a fringe of microcrystalline white quartz around the perimeter. One of the best I have of this find. Collected in 2007 from a new locality in central India Overall Size: 7x6x4 cm. Crystal Size: 31-32 mm botryoids. Price: $250

#39135 - Mineral: Fluorite (rare botryoidal form) on Quartz, Tekhdi, Madhya Pradesh, India. Botryoidal formations up to 27 mm diameter of translucent green-beige fluorite on colorless quartz crystals. The fluorites have a fringe of microcrystalline white quartz around the perimeter. One of the best I have from this new find. Collected in 2007 from a new locality in central India Overall Size: 12x9x3 cm. Crystal Size: 15-27 mm botryoids. Price: $250

#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

#43463 - Mineral: Fluorite and Pyrite, Recuerdo Vein, Huanzala Mine, Huallanca District, Huanuco Department, Peru. Flawless pink fluorite crystals up to 22 mm across with metallic pyrite crystals to 8 mm across. The fluorite crystal is octahedral form with dodecahedral edge faces and small cubic faces on the corners. Overall Size: 3.5x2.5x2 cm. Crystal Size: 1-22 mm. Price: $450

#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

#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

#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

#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: $400

#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

#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

#42104 - Mineral: Fluorite with Pyrite, Mina Emilio, Villaviciosa, Asturias, Spain. Water-clear pale-blue cubic (actually rectangular) fluorite crystals up to 17 mm on edge with a few pyrite microcrystals included in the fluorite and on the surface. The internal clarity of the fluorite is noteworthy. Minor edge chipping in areas. Ex. Robert C. Lambert #109; acquired in 1992 Overall Size: 6x4x3 cm. Crystal Size: micro to 17 mm. Price: $400

#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

#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

#39238 - Mineral: Galena, Tri-State Lead Mining District, near Joplin, Jasper County, Missouri. Large gray-metallic galena crystals with no matrix attached. The galena is cubic crystal habit with overgrowth of octahedral galena in parallel orientation. The overgrowth makes a fascinating pattern on the cubic faces. Ex. Steve Chamberlain collection #2063; originally acquired in 1979 Overall Size: 8x7x5 cm. Crystal Size: 1-60 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

#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

#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

#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

#45028 - Mineral: Greenockite on Quartz-Muscovite, Route 25 road construction, Trumbull, Fairfield County, Connecticut. Rich specimen of bright yellow greenockite microcrystals up to .05 mm with quartz-muscovite matrix from a one-time find during road construction near Mine Hill, the old tungsten mining area. The greenockite is throughout the specimen - could be divided. Ex. J. Cilen (1916-1997) #16329 Overall Size: 9x5x4 cm. Crystal Size: micro. Price: $125

#42762 - Mineral: Grossular Garnet with Apophyllite, Albite, Diopside, Pyrrhotite, Jeffrey Mine, Asbestos, Québec, Canada. Glassy pink-orange grossular garnet crystals up to 8 mm long on matrix coated with microcrystals of white albite, translucent gray apophyllite, green diopside and metallic pyrrhotite. Overall Size: 12x9x7 cm. Crystal Size: micro to 8 mm. Price: $175

#43031 - Mineral: Hausmannite with Calcite, Wessels Mine, Kuruman District, Northern Cape Province, South Africa. Brilliantly lustrous black hausmannite crystals up to 16 mm long with minor white calcite crust that fluoresces orange under UV illumination. The lustrous hausmannite crystals are among the best I have ever seen for this species. Overall Size: 8x6x4 cm. Crystal Size: 1-16 mm. Price: $450

#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

#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

#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

#32773 - Mineral: Heulandite-Ca on Mordenite, Rat's Nest Claim, Custer County, Idaho. Vertical sculptural formation of interconnected pale yellow-pink heulandite crystals up to 22 mm long growing up off of white mordenite-coated cavity wall. The cluster sits nicely without additional support. Pink crystals are getting rare at this locale. Overall Size: 11x7x6 cm. Crystal Size: 3-22 mm. Price: $400

#42542 - Mineral: Hydroxylwagnerite (IMA 2004-009), Dora Maira Massif, Val Varaita, Piedmont, Italy. (Type Locality for Hydroxylwagnerite (IMA 2004-009)) Small cavity in white quartzite with several tan-colored hydroxylwagnerite crystals with red arrow pointing to the cavity. Note the small pyrope garnets. Hydroxylwagnerite is the unofficial name of IMA 2004-009 that will become official once published. Overall Size: 19x11x10 mm. Crystal Size: 0.3-0.6 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

#43029 - Mineral: Ilvaite on Calcite, Dalnegorsk, Primorskij Kraj, Russia. Lustrous black equant ilvaite crystals up to 8 mm intergrown with translucent gray calcite crystals up to 8 mm across plus a few quartz crystals on the rear of the specimen. Overall Size: 6.5x6x3.5 cm. Crystal Size: 2-8 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

#42427 - Mineral: Ludlamite, Blackbird Mine, Lemhi County, Idaho. Lustrous translucent ludlamite crystals with excellent deep green color. Several large crystals in the center have broad faces that resemble cleavages, but the fine surface striations indicate that they are natural crystal faces. Overall Size: 7x3x1.5 cm. Crystal Size: 1-10 mm. Price: $275

#36213 - Mineral: Magnetite, Val Malenco, Sondrio Province, Lombardy, Italy. One face of greenish serpentine matrix almost completely covered with black dodecahedral magnetite crystals (highly magnetic). The magnetite crystals look beautiful under magnification: lustrous, well formed, with slightly striated faces. Overall Size: 11x6x5 cm. Crystal Size: 1-2.5 mm. Price: $450

#42193 - Mineral: Malachite, Copper Queen Mine, Bisbee, 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

#36381 - Mineral: Malachite, Burra Burra, north of Adelaide, South Australia, Australia. Large stalactitic formation with surfaces of velvety green malachite. The largest stalactite finger is 4 cm tall. All surfaces are completely coated with fine acicular transparent malachite microcrystals (looks beautiful under magnification). Overall Size: 12x10x6 cm. Crystal Size: .5-4 mm. Price: $975

#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

#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: $500

#41209 - Mineral: Malachite pseudomorphs after Azurite with Cerussite, Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia. Fibrous green malachite pseudomorphs after chisel-shaped azurite crystals up to 25 mm long with scattered colorless cerussite crystals up to 7 mm long (one cerussite has a flattened shape where it is contacted). The pseudomorphs are large and distinct. Ex. Steve Chamberlain collection #8352, originally acquired in 1995 from M. Springs Overall Size: 7x4x4.5 cm. Crystal Size: 1-25 mm. Price: $135

#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. J. 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, Nordhausen, 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

#42264 - Mineral: Mimetite on Philipsbornite, Hat Yai, Songkhla Province, Thailand. Transparent yellow mimetite crystals up to 4 mm long on dark matrix that was reported by B. Pinch to be philipsbornite. Looks beautiful under magnification. Ex. Robert C. Lambert #467; acquired in 2000 Overall Size: 6x5x1 cm. Crystal Size: 1-4 mm. Price: $375

#25023 - Mineral: Mimetite var. Campylite with Coronadite, Dry Gill Mine, Caldbeck Fells, Cumbria, England. Large specimen with many crystals of yellow-brown mimetite crystals coating matrix crystals. Classic old specimen from the famous mine opened in the early 1800s and abandoned by 1890. Large specimens from this locale are uncommon. Overall Size: 15x14x8 cm. Crystal Size: 1-5 mm. Price: $825

#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

#41937 - Mineral: Neptunite and Natrolite, Benitoite Gem Mine, San Benito County, California. Many lustrous black neptunite crystals with compact white natrolite between the crystals. The neptunite is actually translucent dark-red which is visible in several crystals with good illumination. An unidentified green micromineral is in two areas. Ex. Robert C. Lambert #1; acquired in 1995 Overall Size: 9x7x2 cm. Crystal Size: micro to 14 mm. Price: $450

#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

#29354 - Mineral: Paravauxite, Llallagua, Bustillos Province, Potosi Department, Bolivia. (Type Locality for Paravauxite) Gray matrix coated on all sides with greenish paravauxite crystals. The paravauxite forms a thin druse in areas, but in recessed pockets the paravauxite grew up to 6 mm with even larger crystals to 12 mm on a flat face (side of a vein). ex. J. Cilen (1916-1997) #4401 Overall Size: 15x9x8 cm. Crystal Size: 1-12 mm. Price: $375

#36377 - Mineral: Penfieldite Pb2Cl3(OH) with Boleite, Sierra Gorda District, Antofagasta, Chile. Large specimen with many small pockets lined with rare penfieldite crystals up to 4 mm (easily visible with the naked eye) on matrix with blue boleite. The penfieldite is colorless, six-sided, elongated, tapering crystals with minute striations. Overall Size: 8.5x6x6 cm. Crystal Size: .5-4 mm. Price: $150

#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

#42818 - Mineral: Plumboferrite and Jacobsite, Jakobsberg Mine, Nordmark, Filipstad, Sweden. (Type Locality for Plumboferrite and Jacobsite) Platy, tabular black plumboferrite crystals with granular jacobsite crystals with old label indicating plumboferrite was confirmed using XRD analysis. Ex. Naturhistoriska Riksmuseet, Stockholm, Seeden Overall Size: 25x16x16 mm. Crystal Size: 0.5-1.0 mm. Price: $125

#38846 - Mineral: Pollucite on Albite, Lepidolite, Elbaite, Paprok, Nuristan, Afghanistan. Large pink-brown transparent pollucite crystal, a rare zeolite mineral, on a complex matrix of crystallized colorless albite, pink lepidolite and bluish elbaite tourmaline. The pollucite is heavily etched on the faces. Matrix specimens are rare. Ex. George Loud #6357 Overall Size: 7x6x5 cm. Crystal Size: 27 mm. Price: $350

#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

#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

#31680 - Mineral: Prehnite, Interstate Route 80 road cut, Paterson, Passaic County, New Jersey. Large plate covered with yellow-green prehnite crystals in spherical aggregates up to 5 mm diameter. Areas between the prehnite crystals are coated with greenish-brown clay. The contrasting colors and large size make this an attractive specimen. Overall Size: 24x17x6 cm. Crystal Size: 3-5 mm. Price: $250

#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

#37515 - Mineral: Pyrargyrite, Pribram, Bohemia, Czech Republic. Lustrous dark metallic pyrargyrite crystals up to 5 mm an sparkling calcite microcrystals. Some of the calcite crystals have minute pyrargyrite inclusions visible inside when viewed under magnification. The bottom was sawn flat to remove excess matrix. Collected ca. 1900; ex. Carter Rich Overall Size: 7x5x4 cm. Crystal Size: .1-5 mm. Price: $595

#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

#41754 - Mineral: Pyrite with Hematite, Isola d'Elba, Tuscan Archipelago, Livorno, Italy. Large partial crystal of yellow metallic pyrite with depressed crystal faces lined with sparkling black bladed hematite crystals to 4 mm across. Ex. Robert C. Lambert #224 Overall Size: 6x5.5x2.5 cm. Crystal Size: 1-60 mm. Price: $250

#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

#44566 - Mineral: Pyrolusite, Ilfeld, Harz, Germany. Gray-black metallic pyrolusite crystals in a thick vein formation that has finely developed crystal surfaces on the face of the specimen. Ex. Miller collection ca. 1900 Overall Size: 6.5x5.5x2.5 cm. Crystal Size: 1-4 mm. Price: $275

#42050 - Mineral: Pyromorphite, Bad Ems, Rhineland-Pfalz, Germany. Translucent brown-beige pyromorphite crystals in a tapered cluster of sub-parallel crystals with no matrix attached. The pyromorphite crystals are lustrous hexagonal prisms with flat pinacoid terminations that have a silky luster. Ex. Robert C. Lambert #248; acquired in 1978 Overall Size: 3x2x1.5 cm. Crystal Size: 5-8 mm. Price: $150

#41386 - Mineral: Pyromorphite, Bunker Hill Mine, Coeur d'Alene District, Shoshone County, Idaho. Lustrous yellow-green hexagonal pyromorphite crystals in a curved cluster overgrown on earlier orange arsenic-rich pyromorphite. Ex. A. Goldstein #668 Overall Size: 29x26x18 mm. Crystal Size: 1-8 mm. Price: $225

#40311 - Mineral: Pyromorphite, Bunker Hill Mine, 17-23 Floors, 9th Level, Jersey Vein, Coeur d'Alene District, Shoshone County, Idaho. Elongated cluster of lustrous yellow-green hexagonal pyromorphite crystals with flat pinacoid terminations that are whitish. All crystals are highly lustrous and complete. Ex. Bob Hopper (mine owner) Overall Size: 5x2.5x2 cm. Crystal Size: 1-6 mm. Price: $775

#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

#40611 - Mineral: Quartz (Japan-law twinned), Mundo Nuevo Mine, Pasto Bueno District, Pallasca Province, Peru. Cluster of slender, elongated colorless quartz crystals with a pair of flawless Japan-law twinned tabular quartz crystals in the center of the cluster. Overall Size: 5x3.5x3 cm. Crystal Size: 3-20 mm. Price: $125

#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

#21306 - Mineral: Quartz var. Amethyst, Piedras Parado, Municipio de Tatatila (formerly Las Vigas), 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

#33313 - Mineral: Quartz var. Amethyst, Piedras Parado, Municipio de Tatatila (formerly Las Vigas), Veracruz, Mexico. Many transparent medium-purple amethyst quartz crystals up to 40 mm long on an irregular plate of translucent gray calcite crystals up to 3 mm. Several of the amethyst crystals are doubly-terminated. Overall Size: 9x5x3.5 cm. Crystal Size: 1-4 cm. Price: $165

#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

#35636 - Mineral: Quartz var. Amethyst, Piedras Parado, Municipio de Tatatila (formerly Las Vigas), 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

#41791 - Mineral: Quartz var. Amethyst, Piedras Parado, Municipio de Tatatila (formerly Las Vigas), 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

#30843 - Mineral: Quartz var. Amethyst (Cactus Quartz), 20 km west of Pretoria, Magaliesberg Mountains, Guateng, South Africa. Medium purple amethyst crystals up to 6 cm long with overgrowth of smaller 3-4 mm amethyst crystals around the prism faces of the larger crystals. No damage. Overall Size: 7x7x4.5 cm. Crystal Size: 2-70 mm. Price: $150

#41806 - Mineral: Quartz var. Amethyst (Cactus Quartz), 20 km west of Pretoria, Magaliesberg Mountains, Guateng, South Africa. Purple amethyst crystals up to 6 cm long with overgrowth of smaller 2-3 mm amethyst crystals around the prism faces of the larger crystals, but they do not coat the larger terminations of the underlying crystals. Ex. Robert C. Lambert #611 Overall Size: 9x4x4 cm. Crystal Size: 1-60 mm. Price: $175

#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

#42141 - Mineral: Quartz var. Gwindel-habit, Val Giuv, Graubünden, Switzerland. Transparent pale-smoky quartz crystals with glassy crystal faces on milky quartz matrix. The quartz crystals exhibit Gwindel-habit (twisted stacked aggregate of doubly-terminated crystals). Ex. Robert C. Lambert #278; acquired in 1978 from Pala Overall Size: 5.5x4x3 cm. Crystal Size: 28-32 mm. Price: $275

#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

#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

#39089 - Mineral: Quartz var. Smoky, Sao Jose de Safira, Minas Gerais, Brazil. Transparent doubly-terminated smoky quartz crystals 8 cm long overgrown on a core of translucent milky quartz. The smoky quartz is lustrous and quite transparent. One termination tip is chipped. Overall Size: 12x8x7 cm. Crystal Size: 8 cm. Price: $175

#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

#43338 - Mineral: Quartz var. Smoky Dauphine-law Twin, Moat Mountain, Hales Location, Carroll County, New Hampshire. Single crystal of lustrous black smoky quartz (morion) with no matrix attached. The crystal is Dauphine-law twinned and most faces are pitted where it was intergrown with goethite that dissolved away. Overall Size: 5.5x3.5x3 cm. Crystal Size: 5.5 cm. Price: $125

#37363 - Mineral: Quartz var. Smoky Dauphine-law Twin, St. Gotthard, Kanton Uri, Switzerland. Nearly-flawless crystal of smoky quartz with silky luster on the external crystal faces. The twin suture lines are visible on the prism faces confirm this is a Dauphine-law twined crystal. Internally the crystal is transparent with scattered flaws. Ex. John Albanese (1898-1969), ex. John Albanese, Jr. Overall Size: 9.5x3x2.5 cm. Crystal Size: 9.5 cm. Price: $400

#42261 - Mineral: Quartz var. Smoky-Amethyst Scepter with bubble inclusion, Tafelkop, Goboboseb Mountains, 17 miles west of Brandberg Mountain, Erongo region, Namibia. Scepter-shaped quartz crystal with a 30 mm wide cap on a 20 mm wide stem mounted on an acrylic base for support. The quartz crystal has pale amethyst and smoky zones internally and has several internal cavities including one with a movable bubble. Ex. Robert C. Lambert #386; acquired in 2000 Overall Size: 6x3x2 cm. Crystal Size: 60 mm. Price: $150

#42225 - Mineral: Quartz var. Solution-Quartz, Jeffrey Mine, Pulaski County, Arkansas. Elongated cluster of many doubly-terminated colorless transparent quartz crystals fully crystallized on all surfaces with no point of attachment (solution-quartz = crystallized out of solution). Remnants of a glued label are on remain on the rear. Ex. Robert C. Lambert #40; acquired in 1979 Overall Size: 9x5x3 cm. Crystal Size: 5-25 mm. Price: $475

#38453 - Mineral: Quartz with Chalcopyrite and Galena, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Transparent colorless quartz crystals up to 27 mm long with brassy metallic chalcopyrite crystals up to 5 mm across and rounded (resembles melted metal) gray metallic galena crystals up to 10 mm across. Overall Size: 9x7x5 cm. Crystal Size: 1-27 mm. Price: $125

#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

#43489 - Mineral: Rhodochrosite with Pyrite coating, Huanzala Mine, Huallanca District, Huanuco Department, Peru. Curved stalactitic formation of rhombohedral pink rhodochrosite crystals up to 6 mm with thin surface coating of yellow-metallic pyrite microcrystals. The cluster is fully crystallized on all surfaces except where it was attached to matrix on the ends. Overall Size: 8x2x2 cm. Crystal Size: micro to 6 mm. Price: $175

#45474 - Mineral: Rutile, Diamantina, Minas Gerais, Brazil. Translucent dark-red rutile crystals in in complex aggregates of parallel crystals with exceptionally lustrous surfaces. The rutile crystals are completely crystallized front and rear with only a small attachment point on one edge. Overall Size: 24x16x8 mm. Crystal Size: 1-4 mm. Price: $125

#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

#34899 - Mineral: Rutile and Hematite, Novo Horizonte, Bahia, Brazil. Twinned clusters of golden rutile crystals growing from a center cluster of dark metallic hematite crystals. The rutile crystals are v-twinned every 60 degree angles resulting in a star-shaped cluster. Overall Size: 4x2.5x1 cm. Crystal Size: 3-40 mm. Price: $195

#34903 - Mineral: Rutile and Hematite, Novo Horizonte, Bahia, Brazil. Two twinned clusters of golden rutile crystals growing from a center cluster of dark metallic hematite crystals. The rutile crystals are v-twinned at 60 degree angles. Overall Size: 3.5x3x1.5 cm. Crystal Size: 5-25 mm. Price: $235

#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

#41752 - Mineral: Scheelite and Fluorite, Linwu, Hunan, China. Large octahedral gray-brown scheelite crystals up to 30 mm with water-clear pale-blue (nearly colorless) cubic fluorite crystals up to 15 mm on edge. The scheelite fluoresces bright white under UV illumination. Ex. Robert C. Lambert #514 Overall Size: 8x4x3 cm. Crystal Size: 10-30 mm. Price: $275

#37234 - Mineral: Shigaite on Calcite, N'Chwaning II Mine, Kuruman District, North Cape Province, South Africa. Many hexagonal platy crystals of shigaite in aggregates up to 6 mm across on translucent gray calcite crystals. The shigaite crystals are lustrous and have iridescent color ranging from yellow to green to red. Looks beautiful under magnification. Rare! Overall Size: 30x20x15 mm. Crystal Size: .5-6 mm. Price: $475

#33390 - Mineral: Silver, Japan. Wire crystals of native silver on black matrix, possibly a manganese oxide/ No other mine location was given and all references have failed to indicate where this could have originated. Ex. C.P. Maier Overall Size: 19x14x6 mm. Crystal Size: 1-3 mm. Price: $175

#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

#36972 - Mineral: Silver with Acanthite, Andres del Rio District, Batopilas, Chihuahua, Mexico. Feather-shaped formation of native silver crystals with no matrix. The silver crystals grew off a central crystal 37 mm long and the surfaces have a secondary coating of gray-black metallic acanthite. Glue remnants on rear from a base. Overall Size: 38x14x3 mm. Crystal Size: 0.2-38.0 mm. Price: $325

#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

#41245 - Mineral: Smithsonite, Kelly Mine, Magdalena District, Socorro County, New Mexico. Large specimen of translucent smithsonite with classic blue-green color known as Kelly Blue for this famous mine because of the rich color. The surface of the smithsonite has not been altered or acid-etched and shows individual crystal faces throughout. Overall Size: 13.5x7.5x4 cm. Crystal Size: layers 4-10 mm thick. Price: $1850

#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

#43988 - Mineral: Sodalite var. Hackmanite (tenebrescent), Faisabad, Kokcha Valley, Badakshan, Afghanistan. Several lilac-colored crystals of sodalite, variety hackmanite, frozen in yellow-white marble matrix. The hackmanite fades to pale purple in white light, and turns deeper purple when exposed to UV light (this reaction is known as tenebrescence). Overall Size: 3.5x3x2.5 cm. Crystal Size: 4-15 mm. Price: $185

#41917 - Mineral: Spessartine Garnet, Putian, Fujian Province, China. Wine-red trapezohedral spessartine garnet crystals on contrasting white quartz-albite matrix. The spessartine crystals are highly lustrous with slightly striated crystal faces. One crystal has a tiny chip on one corner. Ex. Robert C. Lambert #508; ex. Betts #11849 Overall Size: 7x4.5x3.5 cm. Crystal Size: 1-9 mm. Price: $225

#18789 - Mineral: Sphalerite, (Andara Mines), (Picos de Europa), Spain. Blocky cleavage of dark brown sphalerite with one face terminated and coated with earthy smithsonite. Most likely from Andara Mines given it's age. World renowned W.S. Vaux was the donor, an indication of the quality at the time. Old museum label no. 5792, donated by William Sansom Vaux (1811-1882). Overall Size: 6x4x3 cm. Crystal Size: 4 cm. Price: $150

#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: $250

#42901 - Mineral: Sphalerite with Chalcopyrite, Galena, Pyrite, Quartz, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Lustrous black Spinel-law twinned sphalerite crystals up to 15 mm across with brassy metallic chalcopyrite crystals up to 10 mm and cubic gray metallic galena crystals up to 5 mm and brilliant yellow metallic pyrite to 6 mm and minor quartz. Overall Size: 12.5x8x4 cm. Crystal Size: 1-15 mm. Price: $195

#42902 - Mineral: Sphalerite with Quartz and Chalcopyrite, Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria. Showy specimen of lustrous black Spinel-law twinned sphalerite crystals up to 16 mm across with transparent colorless quartz crystals up to 35 mm long growing up through the sphalerite plus a brassy metallic 8 mm chalcopyrite crystal in a crevice. Overall Size: 11.5x8x4 cm. Crystal Size: 3-35 mm. Price: $225

#36651 - Mineral: Sphalerite, Calcite and Quartz, Shuikoushan Mine, Hunan Province, China. Floater specimen (fully crystallized on all surfaces with no apparent point of attachment) of transparent deep-red sphalerite crystals up to 8 mm mixed with colorless translucent calcite crystals up to 11 mm and colorless quartz crystals to 1 mm. Overall Size: 6x4x3 cm. Crystal Size: micro to 11 mm. Price: $115

#38486 - Mineral: Sphalerite, Chalcopyrite, Quartz, Deveti Septemvri Mine, Madan District, Rhodope Mountains, Bulgaria. Dark tetrahedral sphalerite crystals up to 14 mm with yellow metallic chalcopyrite crystals up to 6 mm on greenish quartz microcrystal matrix. The sphalerite is translucent when rear-illuminated and many are Spinel-law twinned. Overall Size: 10x9x5 cm. Crystal Size: 1-14 mm. Price: $165

#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

#44050 - Mineral: Spinel, Sungate Mine, An Phu, Luc Yen, Yen Bai District, Vietnam. Lustrous gray-pink spinel crystals in complex cluster of many octahedral crystals. The spinel crystal surfaces are translucent with shallow subsurface fractures that appear white. Many crystal faces exhibit growth layers of parallel, stepped faces. Overall Size: 9x5.5x4.5 cm. Crystal Size: 1-45 mm. Price: $150

#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

#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

#44231 - Mineral: Stellerite, Chinchwad, Pune District, Maharashtra, India. Hemispherical cluster of radiating colorless stellerite crystals, with glassy terminations, nestled in a cavity in basalt matrix. The stellerite crystals are transparent when viewed down the C-axis and translucent when viewed from the sides. Overall Size: 10x8x5 cm. Crystal Size: 3-10 mm. Price: $195

#44462 - Mineral: Stephanite on Pyrite with Siderite, Grand Prize Mine, Tuscarora, Elko County, Nevada. Black stephanite microcrystals coating cubic pyrite crystals up to 6 mm across with translucent brown siderite crystals 5 mm across and additional pyrite crystals to 10 mm across that are not coated with stephanite. Overall Size: 5x4.5x3.5 cm. Crystal Size: micro to 10 mm. Price: $450

#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

#42249 - Mineral: Stibnite, Baia Sprie (formerly Felsobanya), 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

#38279 - Mineral: Stilbite, 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

#38269 - Mineral: Stilbite 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

#38276 - Mineral: Stilbite, Calcite, Pyrite, Moore's Station, Mercer County, New Jersey. One of the best specimens in the collection: translucent brown stilbite crystals up to 9 mm long transparent colorless scalenohedral calcite crystals up to 1 mm with a few larger rhombohedral calcite crystals up to 7 mm and pyrite microcrystals. Ex. Academy of Natural Sciences of Philadelphia collection #23020, collected by Sam Gordon (1897-1952) in 1924 Overall Size: 12x10x5 cm. Crystal Size: 0.5-9.0 mm. Price: $275

#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

#36675 - Mineral: Stilbite-Ca with yellow Heulandite, Nagar, Maharashtra, India. Aestheic cluster of translucent orange-pink stilbite crystals in tapered aggregates up to 25 mm long plus sparkling transparent yellow heulandite crystals up to 3 mm across in vertical, stalactitic aggregates that grew over another slender mineral. Overall Size: 8x7x5 cm. Crystal Size: 1-35 mm. Price: $150

#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

#41526 - Mineral: Tetrahedrite, Cavnic (Kapnik) Mine, Maramures, Romania. Sharp, well crystallized metallic tetrahedrite crystals up to 9 mm across in contrasting white calcite matrix with minor yellow metallic pyrite crystals up to 1 mm. Overall Size: 9x8x3.5 cm. Crystal Size: 1-9 mm. Price: $195

#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 (formerly 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

#40128 - Mineral: Thomsonite, Soagaon, Maharashtra, India. Two spherical clusters up to 24 mm diameter of white thomsonite, a rare zeolite mineral, on brown basalt coated with a greenish micromineral, probably chlorite or celadonite. These thomsonite specimens are among the newest mineral occurrences from India. Overall Size: 8x5x4 cm. Crystal Size: 5-12 mm. Price: $195

#32767 - Mineral: Titanite var. Sphene, Capelinha, Minas Gerais, Brazil. Superb specimen of green titanite crystals up to 45 mm long (!) on a plate of schist matrix. The titanite crystals have glassy faces with surface texture due to minute chlorite inclusions. Many crystals show prominent v-twinning. Overall Size: 13x8x5 cm. Crystal Size: 1-45 mm. Price: $425

#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

#40287 - Mineral: Topaz, Aramosh Valley, Azad Kashmir. Transparent sherry-colored topaz crystal with flat pinacoid termination with large triangular {011} faces. Internally the topaz has wispy (silky) zones running through the middle. The outer edges are chipped in several places. Overall Size: 28x18x17 mm. Crystal Size: 28 mm. Price: $125

#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

#40265 - Mineral: Topaz, Shigar valley, north of Skardu, Gilgit, Pakistan. Doubly-terminated transparent sherry-colored topaz crystal with flat pinacoid termination with large triangular {011} faces. Internally the topaz has wispy (silky) zones running through the middle. Overall Size: 40x23x20 mm. Crystal Size: 40 mm. Price: $375

#44236 - Mineral: Topaz on rhyolite, Topaz Mountain, Thomas Range, Juab County, Utah. Pristine crystal of flawless golden sherry-colored topaz nestled in a small cavity in gray rhyolite. Matrix specimens of topaz from this site are rare because the topaz commonly cleaves during extraction of the specimen. Overall Size: 8x7x6 cm. Crystal Size: 15 mm. Price: $150

#44238 - Mineral: Topaz on rhyolite, Topaz Mountain, Thomas Range, Juab County, Utah. Two pristine crystals of flawless golden sherry-colored topaz nestled in a small cavity in gray rhyolite. Matrix specimens of topaz from this site are rare because the topaz commonly cleaves during extraction of the specimen. Overall Size: 8x6x6 cm. Crystal Size: 10-12 mm. Price: $150

#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, 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

#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

#36732 - Mineral: Vanadinite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Sparkling cluster of lustrous red-orange vanadinite crystals covering two faces of matrix with areas of black manganese oxide. The vanadinite crystals are tabular hexagonal form with secondary edge faces. Overall Size: 8x7x3.5 cm. Crystal Size: 0.5-6.0 mm. Price: $195

#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

#37161 - Mineral: Vanadinite, Touissit Mine, south of Oujda, Morocco. Double-sided cluster of greenish-brown vanadinite crystals fully crystallized all around. The vanadinite crystals are doubly-terminated, hexagonal and tapered towards the terminations (barrel-shaped). Overall Size: 6x4x2.5 cm. Crystal Size: 1-10 mm. Price: $250

#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

#38840 - Mineral: Vanadinite, Acif Mine, Mibladen, Khénifra Province, Morocco. Concave cluster of interconnected red vanadinite crystals and no attached matrix. The vanadinite are tabular, hexagonal form and are internally translucent. One side is highly lustrous with many crystals, the other side is flattened and dull luster. Ex. E. M. Gunnell (1903-1986); acquired from Lidstrom's in 1974 Overall Size: 5x3x1.5 cm. Crystal Size: 1-16 mm. Price: $400

#42090 - Mineral: Vanadinite on Barite, Mibladen, Atlas Mountains, Khénifra Province, Morocco. Sparkling cluster of lustrous deep-red vanadinite crystals up to 5 mm scattered over bladed white barite crystals up to 22 mm across. Ex. Robert C. Lambert #261 Overall Size: 5.5x4x3 cm. Crystal Size: 0.5-22.0 mm. Price: $225

#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

#39892 - Mineral: Vanadinite on Fe-Mn-oxide, Taouz, Erfoud, Morocco. Classic specimen of red vanadinite crystals on crystallized black iron- and manganese-oxide matrix. The vanadinite crystals are deep red color, internally translucent, hexagonal prisms with slightly textured prism faces. Overall Size: 8x6x5 cm. Crystal Size: 1-7 mm. Price: $150

#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: $350

#42010 - Mineral: Vivianite, Kerch Iron-Ore Basin, eastern Crimea, Ukraine. Fan-shaped formations of dark vivianite crystals up to 15 mm long on shallow pocket lined with botryoidal black manganese-oxides. The vivianite crystals are translucent and show blue color under strong illumination. Ex. Robert C. Lambert #417; acquired in 1990 Overall Size: 5x5x2.5 cm. Crystal Size: 2-15 mm. Price: $175

#44542 - Mineral: Wavellite, Svatá Dobrotivá (St. Benigna), Bohemia, Czech Republic. White acicular wavellite crystals in radiating circular formations on one face of matrix. The wavellite crystals grew in a constricted vein that resulted in only two-dimensional development. Ex. Miller collection ca. 1900 Overall Size: 9x7x3 cm. Crystal Size: 1-12 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. From my personal collection 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

#42568 - Mineral: Wulfenite, Red Cloud Mine, Silver District, La Paz County, Arizona. Red-orange wulfenite crystals on one face of matrix. This specimen is from the 1993 find by Collector's Edge and has the orange color associated with that find. Several crystals are missing. Ex. Frank Knaus Overall Size: 5x4x2 cm. Crystal Size: 2-10 mm. Price: $350

#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

#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

#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

#43561 - Mineral: Wulfenite with Mimetite, San Francisco Mine, Cerro Prieto, north of Cucurpe, Sonora, Mexico. Complex cluster of thin yellow-brown bladed wulfenite crystals to 18 mm across with scattered yellow-orange mimetite crystals to 1 mm. Some sides have a gray color due to dark inclusions. Overall Size: 9x6x4 cm. Crystal Size: micro to 18 mm. Price: $575

#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

#43562 - Mineral: Wulfenite, Mimetite, Willemite, San Francisco Mine, Cerro Prieto, north of Cucurpe, Sonora, Mexico. Thin transparent yellow wulfenite crystals up to 12 mm across with rosettes to 3 mm across of translucent orange mimetite crystals on matrix of gray calcite with minor willemite (which fluoresces green under UV illumination). Overall Size: 7x7x4 cm. Crystal Size: 1-12 mm. Price: $500

#42816 - Mineral: Yushkinite, Dolgozhdannyi Waterfall, Pai-Khoi Range, Yugorskii Peninsula, Russia. (Type Locality for Yushkinite) Red-metallic yushkinite microcrystals scattered throughout white quartz-carbonate matrix. The specimen is mounted in a Euro-style acrylic display box for protection and easy handling. Overall Size: 26x16x8 mm. Crystal Size: 0.1-0.3 mm. Price: $125

#44740 - Mineral: Zircon var. Cyrtolite, (Kinkel Quarry?), Bedford, Westchester County, New York. An exceptionally large plate of compact brown cyrtolite crystals, the metamict variety of zircon that has been altered by surrounding radioactive minerals, degrading the crystal structure. Radioactive. Ex. Chas. W. Velte Jr. (1914-1987) collection #507 Overall Size: 10x6x3 cm. Crystal Size: 1-5 mm. Price: $250

Above is a listing of 100 other minerals 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, 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.

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