#70767, Quartz over Hemimorphite over Wulfenite, Finch Mine, north of Hayden, Arizona (t) $30

#69045, Quartz var. Smoky Quartz with Goethite and Hematite, Auchenlosh Quarry, Scotland (c) $42

#69525, Quartz var. Smoky Quartz, North Moat Mountain, New Hampshire (c) $125

#71683, Quartz var. Smoky Quartz (Dauphiné-law twin) on Microcline, Moat Mountain, west of North Conway, New Hampshire (m) $55

#71387, Quartz var. Amethyst Quartz with Hematite inclusions, Pearl Station, Canada (c) $85

#70927, Epidote on Amethyst Quartz with phantom-growth zoning of Hematite inclusions, Hongquizhen Quarry, China (m) $150

#72320, Elbaite Tourmaline in Quartz, Brazil (m) $225

#71291, Quartz var. Smoky Quartz (gem-grade), North Moat Mountain, New Hampshire (m) $55

#69039, Quartz var. Smoky Quartz with Hematite, Auchenlosh Quarry, Scotland (c) $55

#23366, Quartz, Sphalerite, Chalcopyrite, Huaron District, Peru (c) $55

#72419, Quartz with Goethite inclusions, Millington Quarry, New Jersey (m) $18

#72677, Quartz var. Smoky Quartz (Dauphiné Law Twins), Moat Mountain, west of North Conway, New Hampshire (m) $40

#70578, Quartz var. Amethyst Quartz with Hematite inclusions, Pearl Station, Canada (c) $65

#71723, Quartz var. Smoky Quartz (Dauphiné-law twins), Moat Mountain, west of North Conway, New Hampshire (m) $40

#71677, Quartz var. Smoky Quartz over Milky Quartz, Lord Hill Quarry, Maine (m) $75

#69337, Quartz var. Amethyst, Alto Uruguai, Brazil (c) $65

#65679, Quartz var. Rose Quartz Crystals on Albite, Alto da Pitora, Brazil (m) $38

#71719, Quartz var. Smoky Quartz (Dauphiné-law twins), Moat Mountain, west of North Conway, New Hampshire (m) $75

#65749, Quartz var. Amethyst, Moosup, near Withey Hill, Connecticut (m) $350

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

#72258, Quartz var. Amethyst Quartz with Hematite inclusions, Goboboseb Mountains, Namibia (c) $225

#70410, Quartz var. Amethyst on Quartz, Goboboseb Mountains, Namibia (m) $65

#70268, Quartz, Ohio Mine, Colorado (c) $125

#71714, Microcline and Smoky Quartz, Moat Mountain, west of North Conway, New Hampshire (m) $18

#63192, Quartz var. Amethyst, Piedra Parada, Mexico (m) $55

#72352, Quartz var. Ametrine Crystal polished slice (rare combination of amethyst and citrine), Anahi Mine, Bolivia (c) $325

#70569, Quartz var. Laguna Agate, Ojo Laguna, Mexico (m) $115

#72019, Quartz var. Amethyst with Calcite overgrowth, Veta Madre Mining District, Mexico (c) $65

#70926, Quartz var. Amethyst Quartz, Pearl Station, Canada (c) $55

#71297, Quartz var. Smoky Quartz on Albite, North Moat Mountain, New Hampshire (m) $30

#71424, Quartz, Mount Ida, Arkansas (m) $16

#71791, Quartz with minor Fluorite inclusions, Slope Mountain, Chatham, New Hampshire (c) $25

#68420, Quartz var. Amethyst (with scepter-shaped crystals), Goboboseb Mountains, Namibia (c) $375

#71612, Quartz var. Rose Quartz Crystals on Albite, Rose Quartz Locality, Plumbago Mountain, Maine (m) $18

#72414, Quartz var. Smoky Quartz on Albite-Microcline, North Moat Mountain, New Hampshire (c) $55

#65557, Quartz, Brazil (m) $18

#65163, Quartz var. Amethyst (polished), Anahi Mine, Bolivia (c) $55

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

#70505, Quartz var. Smoky-Amethyst with two-phase inclusion (Enhydro), Goboboseb Mountains, Namibia (c) $125

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

#72443, Quartz, Withey Hill, Moosup, Connecticut (c) $28

#69887, Topaz, Microcline, Quartz, Shengus, Skardu Road, Pakistan (c) $225

#26097, Quartz var. Amethyst Quartz, Piedra Parada, Mexico (t) $24

#71242, Quartz var. Herkimer Diamond, Middleville, New York (t) $28

#69803, Quartz var. Smoky Quartz, North Moat Mountain, New Hampshire (m) $75

#58453, Quartz var. Milky Quartz, Withey Hill, Moosup, Connecticut (c) $55

#71301, Quartz var. Smoky Quartz on Albite, North Moat Mountain, New Hampshire (m) $30

#69036, Quartz var. Smoky Quartz with Hematite, Auchenlosh Quarry, Scotland (c) $65

#70269, Calcite on Quartz, Yaogangxian Mine, China (c) $55

#71384, Quartz var. Amethyst Quartz, Pearl Station, Canada (m) $22

#72623, Quartz var. Rose Quartz crystals, Alto da Pitora, Brazil (t) $28

#72770, Quartz with Rutile inclusions and Rutile pseudomorphs after Anatase, Cuiabá District, Gouveia, Brazil (c) $40

#72435, Calcite and Quartz, LaFarge Quarry, Ravena, New York (m) $15

#71048, Quartz var. Amethyst Quartz with Hematite inclusions over Barite, Pearl Station, Canada (m) $38

#48379, Quartz var. Amethyst Quartz, Piedra Parada, Mexico (t) $38

#71938, Quartz with Rutile inclusions plus minor Hematite, Novo Horizonte, Brazil (m) $45

#72774, Quartz var. Amethyst Quartz (Cactus Quartz), Boekenhouthoek area, South Africa (m) $25

#71389, Quartz var. Amethyst Quartz with Hematite inclusions, Pearl Station, Canada (c) $25

#71676, Quartz var. Smoky Quartz with Chlorite inclusions, Lord Hill Quarry, Maine (m) $55

#71866, Quartz var. Rose Quartz Crystals, Lavra da Ilha, Taquaral, Brazil (c) $225

#71303, Quartz var. Smoky Quartz (Dauphiné Law Twin) on Albite, North Moat Mountain, New Hampshire (m) $35

#72861, Calcite with Quartz overgrowth, Steeden, Germany (c) $85

#68435, Quartz var. Milky-Amethyst with minor Hematite, Orange River, Namakwa, South Africa (c) $25

#68432, Quartz with Hematite inclusions (with phantom-growth zones), Orange River, Namakwa, South Africa (c) $30

#71302, Quartz var. Smoky Quartz (Dauphiné Law Twin), Moat Mountain, west of North Conway, New Hampshire (m) $45

#72913, Quartz var. Smoky Quartz (facet-grade flawless crystals), North Moat Mountain, New Hampshire (c) $75

#72259, Quartz var. Amethystine Quartz scepter-shaped crystals with Sphalerite, Huaron District, Peru (c) $95

#72996, Quartz with Rutile inclusions and Rutile pseudomorphs after Anatase, Cuiabá District, Gouveia, Brazil (c) $50

#73018, Quartz var. Amethyst Quartz, Piedra Parada, Mexico (t) $24

#71386, Quartz var. Amethyst Quartz with minor Hematite inclusions, Pearl Station, Canada (m) $16

#68501, Quartz var. Smoky Quartz with Amethyst Quartz zones, Goboboseb Mountains, Namibia (c) $45

#73084, Quartz var. Herkimer Diamond, Hickory Hill Diamond Diggings, New York (t) $25

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

#73073, Quartz var. Smoky Quartz, Tamminen Quarry, Maine (m) $95

#71345, Quartz on Calcite, Hudson Railroad Cut Calcite Locality, New York (c) $32

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

#71664, Quartz var. Smoky Quartz, Black Cap Mountain, east of North Conway, New Hampshire (m) $45

#73070, Quartz (parallel growth) and Cookeite over Milky Quartz, Tamminen Quarry, Maine (c) $55

#72045, Rhodochrosite and Quartz, Raura District, Peru (m) $48

#73075, Quartz (parallel growth)and Cookeite over Milky Quartz, Tamminen Quarry, Maine (c) $65

#73087, Quartz var. Herkimer Diamond, Hickory Hill Diamond Diggings, New York (t) $30

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

#71344, Quartz on Calcite, Hudson Railroad Cut Calcite Locality, New York (c) $35

#73147, Quartz var. Herkimer Diamond, Hickory Hill Diamond Diggings, New York (m) $85

#73144, Quartz var. Herkimer Diamond, Hickory Hill Diamond Diggings, New York (m) $85

#70587, Quartz var. Ametrine Crystal polished slice (rare combination of amethyst and citrine), Anahi Mine, Bolivia (c) $425

#69769, Quartz var. Smoky-Amethyst Quartz, Broken Hill, Australia (c) $400

#70201, Quartz var. Amethyst Quartz, Saltman Prospect, Camp Encore, Sweden, Maine (lc) $375

#69003, Pyromorphite over Quartz, Sarrowcole Vein, Laverock Hall, Leadhills, Scotland (lc) $150

#72513, Quartz var. Herkimer Diamonds, Ace of Diamonds Mine, New York (lc) $1500

#71032, Quartz var. Amethyst Quartz with Hematite inclusions, Pearl Station, Canada (lc) $45

#70546, Quartz var. Ametrine Crystal (rare combination of amethyst and citrine), Anahi Mine, Bolivia (c) $425

#71336, Quartz, Gorge Road condominium excavation, Edgewater, New Jersey (lc) $55

#70849, Pyrite and Quartz, (Tsuchiya-Ishizaki Mine?), Japan (lc) $550

#72400, Microcline with Smoky Quartz and Albite, Moat Mountain, Oliver Diggings, New Hampshire (lc) $65

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

#72260, Quartz var. Amethyst Quartz with Milky Quartz, Goboboseb Mountains, Namibia (lc) $400

#72911, Quartz var. Smoky Quartz on Albite-Microcline, North Moat Mountain, New Hampshire (lc) $250

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

#71368, Quartz var. Smoky Quartz, North Moat Mountain, New Hampshire (lc) $150

#71346, Quartz on Calcite, Hudson Railroad Cut Calcite Locality, New York (lc) $40

#73136, Microcline, Smoky Quartz, Fluorite, southeast slope of Grant Peak, New Hampshire (lc) $225

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