#73964, Epidote (contact-twinned), Alchuri, Shigar Valley, Pakistan (m) $150

#75851, Quartz var. Amethyst (scepter-shaped crystals), Goboboseb Mountains, Namibia (m) $135

#76318, Quartz var. Smoky Quartz (doubly terminated Dauphiné Law twinned), Devil's Head, Rampart Range, Colorado (c) $165

#73754, Copper (naturally crystallized Spinel-Law twinned native copper crystals), Itauz Mine, Kazakhstan (t) $45

#75045, Cerussite (sixling-twinned crystals) on Tennantite, Tsumeb Mine, 3rd Oxide Zone, Namibia (t) $165

#72973, Calcite (interpenetrant twins), Sokolovskiy-Sarbaiskiy Mine, Kazakhstan (m) $150

#76083, Calcite over Calcite, Lowville, New York (t) $55

#75048, Cerussite and Malachite, Tsumeb Mine, Namibia (m) $150

#73359, Quartz var. Tessin habit with Magnesite, Becker Quarry, West Willington, Connecticut (m) $75

#75287, Calcite (butterfly-twinned crystals) with Stibnite inclusions, Xikuangshan Mine, China (c) $375

#77218, Rutile (V-twinned crystals), Graves Mountain, Georgia (m) $325

#77180, Quartz (Japan Law-twinned crystals), Washington Camp-Duquesne District, Arizona (t) $35

#77230, Quartz (Dauphiné Law Twinned), Hashupi, Shigar Valley, Pakistan (m) $75

#73949, Cerussite (trilling-twinned crystals) with Duftite and Malachite, Tsumeb Mine, 3rd Oxide Zone, Namibia (t) $225

#71649, Quartz var. Smoky Quartz (Dauphiné Law Twinned), Moat Mountain, New Hampshire (m) $30

#76207, Quartz var. Smoky Quartz (scepter-shaped formation), Tafelkop, Goboboseb Mountains, Namibia (m) $35

#76938, Quartz (Tessin habit and reverse-scepters) on Almandine with Magnesite, Becker Quarry, West Willington, Connecticut (t) $45

#76840, Cassiterite (twinned crystals) with Quartz, St. Day, Gwennap, England (t) $42

#73965, Sphalerite (Spinel-Law twinned parallel crystals), Second Sovietskiy Mine, Dalnegorsk, Russia (c) $95

#73502, Schorl Tourmaline (doubly terminated distorted crystal), Lavra do Escondido, Brazil (m) $28

#76963, Cerussite (twinned crystals), Kintore Open Cut, Broken Hill, Australia (t) $22

#73358, Quartz var. Tessin habit with Ankerite and Muscovite, Becker Quarry, West Willington, Connecticut (m) $65

#76905, Quartz var. Smoky Quartz (Dauphiné Law Twinned), Lake George District, Colorado (m) $42

#77072, Calcite (twinned crystals), Millington Quarry, New Jersey (m) $32

#77070, Aragonite (pseudohexagonal crystals), Molina de Aragón, Spain (Type Locality for Aragonite) (m) $45

#75733, Sphalerite (complexly twinned crystals), Logansport, Indiana (m) $250

#77183, Titanite (twinned crystals) with Chlorite inclusions, Schiedergraben, Felbertal, Austria (t) $24

#75341, Diamond (4.95 carat sector-zoned octahedral brown polished crystal), Murowa Mine, Zimbabwe (t) $9255

#75574, Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), Pennsylvania (c) $500

#75233, Cerussite (trilling) with Hydrocerussite coating plus Calcite, Tsumeb Mine, Lead Pocket, Namibia (m) $425

#75720, Calcite (twinned crystals), Roosevelt Avenue Quarry (York Stone Quarry), Pennsylvania (lc) $295

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

#73653, Calcite with Fluorite, Denton Mine, Illinois (m) $450

#72344, Fluorapophyllite-(K) (formerly known as Apophyllite) and Stilbite over Thomsonite, Rahuri, Nagar District, India (m) $400

#72969, Topaz (with unusual healed fracture), Dassu, Braldu Valley, Pakistan (m) $400

#75184, Quartz var. Amethyst Quartz, Goboboseb Mountains, Namibia (m) $400

#77401, Calcite (contact-twinned crystals), Millington Quarry, New Jersey (lc) $75

#77292, Boleite with Cumengeite overgrowth, Amelia Mine, Boleo District, Mexico (Type Locality for Boleite and Cumengeite) (t) $400

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