#68626, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $85

#72598, Franckeite with Jamesonite-Boulangerite, Mina San José, Bolivia (t) $55

#68723, Pyrite, Milpillas Mine, Mexico (t) $30

#69150, Bournonite, Yaogangxian Mine, China (t) $150

#68773, Pyrite, Milpillas Mine, Mexico (t) $75

#68729, Pyrite, Milpillas Mine, Mexico (t) $38

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

#68614, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $65

#69125, Bournonite, Yaogangxian Mine, China (t) $225

#69153, Bournonite with Quartz, Yaogangxian Mine, China (t) $100

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

#72699, Calcite on Galena, Nikolaevskiy Mine, Dalnegorsk, Russia (c) $150

#69149, Bournonite, Yaogangxian Mine, China (t) $150

#66653, Tetrahedrite, Black Pine Mine, Montana (t) $24

#68716, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $32

#72052, Pyrite, Otjihase Mine, Namibia (m) $175

#72870, Pyrite, Victoria Mine, Spain (t) $16

#69171, Acanthite with Native Silver, Xiaoqinggou, China (m) $175

#72590, Acanthite, Chalcopyrite, Quartz, Guanajuato Silver Mining District, Mexico (t) $38

#69124, Bournonite, Yaogangxian Mine, China (m) $295

#72783, Chalcopyrite, Acanthite, Quartz, Calcite, Guanajuato Silver Mining District, Mexico (m) $25

#70597, Acanthite, San Juan de Rayas Mine, Mexico (t) $28

#73051, Galena (Spinel-Law Twinned crystals) with Pyrite, Calcite, Chalcopyrite, Dalnegorsk, Russia (m) $40

#69142, Bournonite, Yaogangxian Mine, China (t) $165

#72589, Carrollite (rare crystal cluster), Kambove Mine, Democratic Republic of the Congo (t) $115

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

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

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

#70288, Bournonite and Quartz, Carhuacayan District, Peru (m) $75

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

#69136, Bournonite, Yaogangxian Mine, China (t) $165

#54478, Sphalerite (Spinel-Law twinned crystals), Second Sovietskiy Mine, Dalnegorsk, Russia (c) $110

#69129, Bournonite (twinned crystals) with Chalcopyrite, Yaogangxian Mine, China (t) $325

#69178, Acanthite, Xiaoqinggou, China (t) $28

#69139, Bournonite, Yaogangxian Mine, China (t) $75

#69176, Acanthite with Native Silver, Xiaoqinggou, China (t) $95

#69151, Bournonite, Yaogangxian Mine, China (t) $125

#71870, Sphalerite on Quartz, Shuikoushan Mine, China (m) $36

#69146, Bournonite, Yaogangxian Mine, China (t) $175

#68722, Pyrite, Milpillas Mine, Mexico (t) $45

#72799, Galena with Quartz, Calcite, Sphalerite, Herja Mine, Baia Mare, Romania (c) $95

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

#69121, Bournonite (twinned crystals) on Quartz, Yaogangxian Mine, China (m) $325

#72000, Pyrite with minor Sphalerite, Huanzala Mine, Peru (m) $35

#69145, Bournonite, Yaogangxian Mine, China (t) $125

#69168, Acanthite with Native Silver, Xiaoqinggou, China (m) $175

#68769, Pyrite, Milpillas Mine, Mexico (t) $30

#70313, Pyrargyrite, Fresnillo District, Mexico (t) $175

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

#72586, Polybasite, Calcite, Chalcopyrite on Acanthite, Guanajuato Silver Mining District, Mexico (t) $55

#69137, Bournonite, Yaogangxian Mine, China (t) $175

#72869, Germanite with Tennantite, Tsumeb Mine, Namibia (Type Locality for Germanite) (t) $55

#70121, Sphalerite on Quartz, Deveti Septemvri Mine, Bulgaria (m) $55

#69134, Bournonite, Yaogangxian Mine, China (t) $250

#72702, Calcite with Goethite and Pyrite inclusions, Kentucky Stone Quarry, Flemingsburg, Kentucky (c) $75

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

#69152, Bournonite, Yaogangxian Mine, China (t) $125

#72577, Sphalerite with minor Fluorite and Pyrite over Dolomite, Dodds Pocket, Smallcleugh Mine, England (c) $40

#72599, Polybasite, Acanthite, Chalcopyrite, Guanajuato Silver Mining District, Mexico (t) $30

#58454, Pyrite, Huanzala Mine, Peru (c) $75

#71585, Pyrite on etched Calcite, railroad cut near Thomaston Dam, Connecticut (m) $18

#63201, Sphalerite and Dolomite, Mina Troya, Mutiloa, Spain (m) $45

#69128, Bournonite, Yaogangxian Mine, China (t) $250

#69127, Bournonite, Yaogangxian Mine, China (m) $275

#71888, Stibnite, Calcite, Berthierite, San Martín Mine, Mexico (t) $28

#69165, Acanthite with Native Silver, Xiaoqinggou, China (m) $250

#73019, Orpiment, Quiruvilca District, Peru (t) $18

#70191, Tetrahedrite, Black Pine Mine, Montana (t) $24

#26370, Millerite in Quartz Geode, US Route 27 road cut, Halls Gap, Kentucky (t) $28

#69147, Bournonite, Yaogangxian Mine, China (t) $95

#69279, Andorite, Mina San José, Bolivia (t) $325

#63279, Cinnabar on Dolomite on Quartz, Fenghuang, Xiangxi, China (c) $125

#69333, Arsenopyrite (twinned crystals) with Ferberite, Fluorite, Muscovite, Yaogangxian Mine, China (m) $125

#68766, Pyrite, Milpillas Mine, Mexico (t) $42

#69164, Stannite, Yaogangxian Mine, China (t) $95

#70933, Chalcopyrite, Pyrite, Sphalerite, Gyudyurska Mine, Bulgaria (m) $38

#62519, Sphalerite, Galena, Quartz, Barite pseudomorphs after Alstonite, Admiralty Flatts, Hagg's Mine, England (t) $22

#69133, Bournonite, Yaogangxian Mine, China (m) $225

#63199, Pyrite, ZCA Pierrepont Mine, New York (t) $25

#69141, Bournonite, Yaogangxian Mine, China (t) $250

#68728, Pyrite, Milpillas Mine, Mexico (t) $65

#70963, Sphalerite (Spinel-Law twinned crystals), Tri-State Lead-Zinc Mining District, Missouri (m) $38

#72631, Pyrite, Isola d'Elba, Italy (t) $24

#71906, Sphalerite with Quartz on Calcite, Krushev Dol Mine, Bulgaria (c) $150

#69132, Bournonite, Yaogangxian Mine, China (t) $95

#69159, Stannite on Muscovite, Yaogangxian Mine, China (t) $165

#68757, Pyrite with partial Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $45

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

#68700, Pyrite with Bornite coating, Milpillas Mine, Mexico (m) $75

#61614, Galena with Anglesite plus Fluorite, Blanchard Mine, New Mexico (c) $32

#65497, Sphalerite with Quartz and Dolomite, Elmwood Mine, Tennessee (m) $35

#71956, Pyrite, Paraíba Basin, Brazil (m) $24

#72441, Pyrite nodule with Calcite, Paraíba Basin, Brazil (m) $26

#68727, Pyrite with partial Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $42

#72991, Sphalerite (Spinel Law twins) with Quartz with minor Fluorite, Santa Eulalia District, Mexico (m) $30

#73053, Acanthite, Sphalerite and Galena (Spinel-law twinned crystals), San Antonio el Grande Mine, Santa Eulalia, Mexico (m) $25

#73102, Pyrite, Four Metals Mine, Arizona (t) $15

#73107, Pyrite, Four Metals Mine, Arizona (t) $15

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

#73049, Galena (Spinel-Law twinned crystals), Sphalerite, Pyrite, Santa Eulalia District, Mexico (m) $28

#73366, Sphalerite and Pyrite on Quartz in Dolomite, Lengenbach Quarry, Binntal, Switzerland (m) $75

#73242, Quartz on Tetrahedrite, Sweet Home Mine, Colorado (m) $30

#69173, Acanthite with Native Silver, Xiaoqinggou, China (m) $125

#73206, Pyrite, Isola d'Elba, Italy (t) $18

#68615, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $65

#73392, Sphalerite and Dolomite, Mina Troya, Mutiloa, Spain (m) $55

#71586, Pyrite, Quartz, Calcite, Heulandite, railroad cut near Thomaston Dam, Connecticut (m) $12

#68616, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $55

#73383, Franckeite, Mina San José, Bolivia (c) $165

#73402, Bournonite, Quartz, Chalcopyrite and Jamesonite-Boulangerite, Yaogangxian Mine, China (m) $150

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

#72921, Pyrite, Route 81 roadcut, south of Syracuse, New York (lc) $400

#69122, Bournonite, Yaogangxian Mine, China (m) $450

#69119, Bournonite, Yaogangxian Mine, China (t) $400

#72350, Stibnite in Calcite (butterfly-twinned crystals), Xikuangshan Mine, China (c) $400

#69118, Bournonite, Yaogangxian Mine, China (m) $400

#69110, Bournonite (twinned crystals), Yaogangxian Mine, China (m) $450

#69112, Bournonite, Yaogangxian Mine, China (m) $475

#73319, Pyrite and Calcite, Bull's Ferry Road condominium construction site, New Jersey (lc) $250

#69120, Bournonite with Quartz, Pyrite, Yaogangxian Mine, China (m) $400

#58442, Barite and Pyrite over Dolomite and Fluorite, Moscona Mine, Solis, Spain (lc) $225

#69116, Bournonite, Yaogangxian Mine, China (m) $550

#68637, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $95

#68665, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $35

#68761, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $38

#68477, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $40

#68669, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $42

#68461, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $45

#68649, Pyrite with Chalcocite-Djurleite-Bornite coating in Quartz, Milpillas Mine, Mexico (m) $55

#68621, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $95

#68662, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $55

#68624, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $85

#68753, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $65

#68475, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $65

#68653, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $75

#68700, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $75

#68631, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $75

#68627, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $75

#68625, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $75

#68632, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $75

#68651, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $85

#68630, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $95

#68626, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $85

#68766, Pyrite, Milpillas Mine, Mexico (t) $42

#68754, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $38

#68758, Pyrite with partial Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $42

#68718, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $35

#68753, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (t) $65

#68626, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (c) $85

#68773, Pyrite, Milpillas Mine, Mexico (t) $75

#68637, Pyrite with Chalcocite-Djurleite-Bornite coating, Milpillas Mine, Mexico (m) $95

#68728, Pyrite, Milpillas Mine, Mexico (t) $65

#68722, Pyrite, Milpillas Mine, Mexico (t) $45

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