#72013, Chrysocolla, Ray Mine, Arizona (c) $125

#69329, Azurite on Malachite, Tsumeb Mine, 1st Oxide Zone, Namibia (m) $185

#71857, Celestine over Sulfur, Agrigento District (Girgenti), Italy (c) $75

#58378, Mimetite on Quartz, Roughton Gill Mine, England (m) $26

#71929, Chrysocolla pseudomorphs after Cumengite and Boleite, Boleo District, near Santa Rosalía, Mexico (Type Locality for Cumengite and Boleite) (c) $125

#72111, Gaudefroyite and Calcite, N'Chwaning II Mine, South Africa (m) $175

#71090, Rutile, Hiddenite, North Carolina (t) $18

#62005, Azurite, Touissit Mine, Morocco (t) $95

#68314, Topaz, Mimoso do Sul, Brazil (t) $95

#69210, Ludlockite, Tsumeb Mine, Namibia (Type Locality for Ludlockite) (t) $85

#72778, Fluorite with Barite overgrowth, Moscona Mine, Solis, Spain (m) $24

#59896, Hematite pseudomorphs after Magnetite (var. Martite), Twin Peaks, Utah (c) $55

#70279, Wulfenite on Calcite, Sierra de Los Lamentos, Mexico (m) $165

#72257, Quartz var. Amethyst Quartz, Reel Mine, Iron Station, North Carolina (m) $135

#69103, Vanadinite on Phosphohedyphane, Cove Vein, Whytes Cleuch, Scotland (m) $95

#70811, Elbaite var. Rubellite Tourmaline (with internal gem nodule), Himalaya Mine, California (t) $165

#63270, Calcite on Marcasite and Sphalerite, Shullsburg District, Wisconsin (c) $125

#69314, Azurite (twinned crystals) with Arsentsumebite, Tsumeb Mine, Easter Pocket, Namibia (Type Locality for Arsentsumebite) (t) $195

#72621, Elbaite Tourmaline, Mount Mica Quarry, Maine (t) $225

#60300, Barite, Dedova Hora (Giftberg), Czech Republic (m) $75

#72692, Microcline (twinned following the Baveno Law), Moat Mountain, west of North Conway, New Hampshire (c) $55

#70810, Elbaite var. Rubellite Tourmaline, Cruzeiro Mine, Brazil (t) $125

#71859, Fluorite with minor Quartz, Caravia-Berbes District, Spain (c) $150

#70430, Elbaite var. Rubellite Tourmaline with Lepidolite, Himalaya Mine, California (t) $225

#72981, Legrandite, Mina Ojuela, Mexico  $325

#69409, Thaumasite, N'Chwaning Mine, South Africa (t) $55

#72040, Conichalcite, Gold Hill Mine, Utah (c) $42

#69199, Cerussite, Tsumeb Mine, 2nd Oxide Zone, Namibia (c) $150

#69328, Cerussite (twinned crystals) on Tennantite, Tsumeb Mine, 3rd Oxide Zone, Namibia (t) $225

#63157, Calcite, Dalnegorsk, Russia (m) $125

#56857, Cerussite (twinned crystals) with Adamite var. Cuproadamite, Tsumeb Mine, Namibia (m) $85

#72038, Conichalcite and Calcite over Chrysocolla, Gold Hill Mine, Utah (m) $55

#71945, Fluorite with Chalcopyrite inclusions, Hilton Mine, Scordale, England (m) $150

#72030, Cuprite var. Chalcotrichite on Chrysocolla, Ray Mine, Arizona (m) $165

#72370, Copper (naturally crystallized native copper), Emke Mine, Onganja, Namibia (t) $55

#70746, Pyromorphite on Quartz, Wheatley Mine, Phoenixville District, Pennsylvania (c) $95

#51500, Sphalerite with Calcite, Dalnegorsk, Russia (c) $175

#63262, Calcite, Shullsburg District, Wisconsin (c) $85

#72015, Dioptase on Calcite, Christmas Mine, Arizona (c) $250

#70341, Calcite, Tsumeb Mine, Namibia (c) $325

#70939, Copper (naturally crystallized native copper), Bisbee, Warren District, Arizona (m) $95

#61950, Fluorite (interpenetrant-twinned crystals) on Quartz, Heights Mine, Westgate, England (m) $175

#69816, Magnetite (rare cubic and tetrahexahedral crystal form) with Sphalerite, ZCA Mine No. 4, Fowler Ore Body, 2500' Level, New York (c) $350

#65234, Pyrite, Victoria Mine, Spain (c) $85

#72690, Cornetite, Malachite, Chrysocolla over Hematite, L'Etoile du Congo Mine, Democratic Republic of the Congo (Type Locality for Cornetite) (m) $85

#69200, Azurite (twinned crystals), Tsumeb Mine, Easter Pocket, Namibia (t) $175

#70962, Sphalerite, Tri-State Lead-Zinc Mining District, Missouri (c) $45

#68479, Inesite, N'Chwaning II Mine, South Africa (m) $165

#69085, Phosphohedyphane, Mottramite, Mimetite, Cove Vein, Whytes Cleuch, Scotland (m) $125

#69307, Azurite (twinned crystals), Tsumeb Mine, Easter Pocket, Namibia (m) $225

#69014, Pyromorphite on Quartz, Sarrowcole Vein, Laverock Hall, Leadhills, Scotland (c) $45

#72293, Azurite (partially altered to Malachite), New Cornelia Mine, Ajo, Arizona (m) $150

#62755, Sigloite pseudomorphs after Paravauxite with Quartz, Siglo XX Mine, Llallagua, Bolivia (Type Locality for Paravauxite and Sigloite) (c) $75

#72973, Calcite (complex penetration twins), Sokolovskiy-Sarbaiskiy Mine, Kazakhstan (m) $125

#72371, Copper (naturally crystallized native copper), Emke Mine, Onganja, Namibia (m) $55

#70808, Copper (naturally crystallized native copper) with minor Calcite, Keweenaw Peninsula Copper District, Michigan (c) $55

#72674, Silver (naturally crystallized native silver), Andres del Rio District, Mexico (t) $125

#72808, Bournonite and Sphalerite with Boulangerite and Pyrite, Baia Mare, Romania (c) $125

#54978, Acanthite, San Juan de Rayas Mine, Mexico (t) $65

#72291, Azurite on Malachite, La Sal District, Utah (m) $175

#60288, Wulfenite on Aragonite-Calcite, Ahumada Mine, Mexico (c) $55

#70972, Anglesite on Galena with Quartz and Fluorite, Royal Flush Mine, Hansonburg District, New Mexico (m) $45

#71960, Anatase with Brookite on Quartz, Twll maen Grisial, Prenteg, Wales (Type Locality for Brookite) (m) $125

#34752, Quartz var. Amethyst Quartz over Milky Quartz, Deer Hill, Maine (c) $175

#72376, Elbaite var. Rubellite Tourmaline, Cruziero Mine, Brazil (t) $55

#70131, Cerussite on Chrysocolla, Mammoth Mine, Tiger District, Arizona (m) $65

#69268, Topaz, Quartz, Microcline, Schorl Tourmaline, Kleine Spitzkoppe, Namibia (m) $225

#70220, Franckeite, Mina San José, Bolivia (c) $325

#71851, Quartz with Calcite and Sphalerite, Cumberland Mining District, England (c) $225

#69202, Smithsonite, Tsumeb Mine, Namibia (t) $225

#61965, Mimetite var. Campylite on Psilomelane, Drygill Mine, Caldbeck Fells, England (m) $125

#71923, Calcite with Fluorite and Pyrite, Villabona District, Spain (c) $38

#51413, Cinnabar (penetration twins) on Quartz-rich matrix, Red Bird Mine, Antelope Springs District, Nevada (m) $225

#69024, Barite over Witherite, Scaleburn Vein, Nenthead, England (m) $85

#70446, Elbaite Tourmaline with Quartz, Mount Mica, Pocket #28, Maine (t) $55

#72025, Calcite var. Manganoan Calcite, Barite, Quartz on Hematite, Montreal Mine, Wisconsin (c) $75

#70315, Olivenite on Quartz, Wheal Unity, St. Day District, England (m) $55

#71959, Calcite with Pyrite, Broken Hill, Australia (m) $40

#61846, Sphalerite on Quartz, Alston Moor, England (m) $24

#62967, Wulfenite, Mimetite, Vanadinite, Mammoth-St. Anthony Mine, Tiger District, Arizona (t) $26

#55022, Magnetite (rare cubic and tetrahexahedral crystal form), ZCA Mine No. 4, Fowler Ore Body, 2500' Level, New York (m) $125

#72375, Elbaite var. Rubellite Tourmaline, Cruziero Mine, Brazil (t) $75

#70506, Siderite on Ferberite with Muscovite and Pyrite, Panasqueira Mine, Portugal (c) $95

#72088, Aurichalcite, 79 Mine, Arizona (t) $75

#72289, Azurite, Tsumeb Mine, Namibia (m) $150

#72801, Hematite, Dognecea, Romania (m) $75

#72779, Cuprite over Chrysocolla, L'Etoile du Congo Mine, Democratic Republic of the Congo (m) $65

#72800, Quartz with Jamesonite inclusions, Baia Mare, Romania (c) $45

#72759, Fluorite (color zoned crystals) with Pyrite inclusions, Mina Emilio, Loroñe, Spain (c) $225

#71091, Rutile, Hiddenite, North Carolina (t) $16

#6455, Azurite with minor Malachite, Bisbee, Warren District, Arizona (t) $18

#26290, Barite, Magma Mine, Arizona (t) $15

#26358, Millerite in Quartz Geode, US Route 27 road cut, Halls Gap, Kentucky (t) $8

#71092, Rutile, Hiddenite, North Carolina (t) $18

#72807, Siderite var. Sphaerosiderite, Baia Mare, Romania (c) $125

#73000, Pyrargyrite on Calcite, St. Andreasberg District, Germany (m) $125

#72979, Rhodochrosite with Quartz and Pyrite, Emma Mine, Butte District, Montana (m) $125

#73109, Azurite nodule with Azurite crystals lining the center cavity, Blueball Mine, Arizona (t) $85

#72981, Legrandite, Mina Ojuela, Mexico  $325

#72998, Calcite with Duftite, Tsumeb Mine, Namibia (c) $175

#73182, Legrandite, Mina Ojuela, Mexico (m) $65

#73057, Prehnite pseudomorphs after Anhydrite, Lane's Quarry, Massachusetts (m) $45

#73072, Quartz var. Smoky Quartz (parallel growth), Tamminen Quarry, Maine (c) $175

#73036, Natrolite with minor Calcite, Hammerunterwiesenthal, Germany (c) $65

#73184, Legrandite with Adamite, Mina Ojuela, Mexico (m) $55

#70538, Wulfenite and Calcite over Barite, Touissit Mine, Morocco (lc) $325

#70558, Beryl var. Heliodor (gem-grade crystal), Volodarsk-Volynskii, Ukraine (m) $2000

#61153, Fluorite, Galena, Chalcopyrite over Quartz, Blackdene Mine, Ireshopeburn, England (c) $750

#69325, Malachite pseudomorph after Azurite, Tsumeb Mine, 1st Oxide Zone, Upper Level, Namibia (m) $525

#72191, Gold (naturally crystallized native gold) on Quartz, Mother Lode District, California (m) $1750

#69298, Adamite var. Cuproadamite, Tsumeb Mine, 3rd Oxide Zone, Namibia (m) $850

#72612, Peridot Crystals (gem variety of the mineral Forsterite), Suppat, Naran-Kagan Valley, Pakistan (t) $475

#62397, Corundum var. Blue Sapphire, Central Highland Belt, Sri Lanka (t) $1175

#54586, Fluorite on Quartz var. Chalcedony, Cripple Creek District, Colorado (lc) $175

#70473, Pyrite and Hematite, Miniera di Rio Marina, Isola d'Elba, Italy (m) $95

#61269, Fluorite with minor Siderite, (Alston Moor District), England (lc) $400

#69519, Beryl var. Heliodor (gem-grade crystal), Volodarsk-Volynskii, Ukraine (m) $2200

#69318, Dioptase on Calcite, Tsumeb Mine, 2nd Oxide Zone, Namibia (m) $475

#61797, Azurite, Tsumeb Mine, Namibia (m) $495

#57304, Gold (naturally crystallized native gold), Mother Lode District, California (t) $400

#61116, Fluorite coated with Chalcopyrite, Calcite, Sphalerite, Ladywash Mine, England (c) $400

#60865, Azurite, Tsumeb Mine, Namibia (c) $575

#61660, Smithsonite with Goethite, Touissit District, Morocco (lc) $115

#69315, Cerussite (sixling twin) with Hydrocerussite and Calcite, Tsumeb Mine, Lead Pocket, Namibia (m) $400

#38269, Stilbite with Calcite and Pyrite, Moore's Station, New Jersey (lc) $325

#69308, Azurite (twinned crystals) with Smithsonite, Tsumeb Mine, Easter Pocket, Namibia (m) $475

#70483, Azurite (twinned crystals) with Cerussite, Tsumeb Mine, Easter Pocket, Namibia (m) $450

#70929, Mimetite and Wulfenite, San Francisco Mine, Mexico (m) $650

#73029, Quartz (with two pairs of Japan-Law Twinned crystals), Llallagua Mine (Siglo XX Mine), Bolivia (c) $400

#72761, Cuprite over Chrysocolla, Mashamba West Mine, Democratic Republic of the Congo (c) $425

#71853, Analcime with Natrolite, Serandite, Aegirine, Poudrette Quarry, Mont Saint-Hilaire, Canada (c) $400

#72636, Fluorite with metallic Pyrite inclusions, Moscona Mine, Solis, Spain (lc) $250

#60318, Gold (naturally crystallized native gold), Eugene Mountains, Nevada (t) $475

#72460, Dolomite and Calcite over Smoky Quartz, Cavnic Mine (Kapnikbanya), Romania (lc) $550

#72184, Azurite on Quartz, Tsumeb Mine, Namibia (c) $425

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