#82111, Psilomelane (Pyrolusite, Romanèchite, Cryptomelane), Lake Valley District, New Mexico (t) $25

#80696, Apophyllite (with green zones), Jalgaon, India (m) $24

#75663, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $30

#82402, Rutile (twinned crystals), Graves Mountain (Kyanite Mine), Georgia (t) $125

#80175, Calcite with Quartz overgrowth, Droujba Mine, Bulgaria (c) $55

#80288, Fluorite (internally color zoned), Xia Yang, Yongchun, China (c) $225

#82718, Titanite (twinned crystals), Capelinha, Brazil (t) $24

#81588, Chalcocite with Chalcopyrite-Bornite coating, Flambeau Mine, Ladysmith, Wisconsin (t) $55

#81342, Sphalerite (contact twinned crystals), Tri-State Lead-Zinc Mining District, Missouri (m) $45

#82968, Vanadinite (parallel hoppered growth), Mibladen, Haute Moulouya Basin, Morocco (t) $28

#81334, Datolite pseudomorphs after Glauberite (epimorphs), Prospect Park Quarry, New Jersey (c) $85

#80852, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $125

#80454, Stilbite on Quartz epimorphs after Laumontite over Calcite, Pune District, India (c) $35

#82706, Beryl var Goshenite (with unusual dissolved termination), Shigar Valley, Skardu District, Pakistan (t) $28

#82753, Quartz with uncommon S-face, Coleman's Mine, Miller's Mountain, Arkansas (t) $22

#81584, Chalcocite with Chalcopyrite-Bornite coating, Flambeau Mine, Ladysmith, Wisconsin (t) $65

#82056, Cassiterite (twinned crystals), Emmons Quarry, southeastern slope of Uncle Tom Mountain, Maine (t) $38

#81556, Pyrite with Chalcocite coating plus Quartz, Milpillas Mine, Mexico (m) $55

#81595, Chalcocite with Chalcopyrite-Bornite coating, Flambeau Mine, Ladysmith, Wisconsin (t) $48

#82599, Bismuth (Synthetic), Man-made (t) $30

#81954, Titanite (twinned crystals) with Chlorite, Hunza Valley, Pakistan (t) $25

#82136, Calcite with Brucite(?) inclusions, Khwaye Mine, Loralai, Pakistan (t) $28

#81220, Spinel (unusual blue color), Mahenge, Tanzania (t) $48

#75761, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $55

#82511, Quartz var. Black Herkimer Diamonds with black hydrocarbon inclusions, Hickory Hill Diamond Diggings, New York (t) $26

#81551, Bournonite (twinned crystals), Yaogangxian Mine, China (t) $195

#81555, Fluorite (zoned crystals) with Quartz, Boltsburn West Level, south side of Rookhopeburn, England (c) $875

#81540, Bournonite (cyclic twinned crystals), Yaogangxian Mine, China (t) $375

#81541, Bournonite (cyclic twinned crystals) with Boulangerite micros, Yaogangxian Mine, China (m) $375

#81546, Bournonite (doubly terminated twinned crystals), Yaogangxian Mine, China (t) $225

#81539, Bournonite (cog-wheel twinned crystals) with Boulangerite micros, Yaogangxian Mine, China (m) $450

#81550, Bournonite (twinned crystals), Yaogangxian Mine, China (t) $150

#75670, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (m) $75

#81536, Bournonite (complexly twinned crystals) with Boulangerite micros, Yaogangxian Mine, China (m) $350

#81543, Bournonite (cyclic twinned crystals), Yaogangxian Mine, China (t) $225

#81542, Bournonite (twinned crystals), Yaogangxian Mine, China (m) $375

#75675, Pyrite with Chalcocite coating, Milpillas Mine, Mexico (c) $65

#81545, Bournonite (doubly terminated complexly twinned crystals), Yaogangxian Mine, China (t) $350

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