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ST669 - Dioptase $ 400 Cobra Mine, Pampa Nazca, Ica Dept., Peru cabinet - 10 x 7.5 x 5 cm ![]() ![]() ![]() ![]() ![]() ![]() Isolated and clustered Dioptase crystals to 5mm on matrix with Duftite, Brochantite, and Chrysocolla. This is an excellent example from an uncommon locality for Dioptase. Clean and undamaged. Ex. Erich Laskowski collection, self collected by Erich in 2001.
ST657 - Lazurite $ 450 Ladjuar Medam, Sar-e-Sang, Koksha Valley, Badakhshan, Afghanistan small cabinet - 6 x 4 x 2.5 cm ![]() ![]() ![]() ![]() Two crystals of Lazurite in a white marble matrix. The crystals are sharply formed and reach 2cm in size. Ex. Erich Laskowski collection.
ST659 - Dioptase $ 120 Christmas Mine, Gila Co., Arizona, USA small cabinet - 7 x 4.5 x 1.5 cm ![]() ![]() ![]() ![]() Shallow Calcite lined vug loaded with bright Diioptase crystals. Ex. Erich Laskowski collection.
ST655 - Cryolite, Siderite Ivigtut, Kitan Prov., Greenland small cabinet - 6 x 5 x 4 cm ![]() ![]() ![]() ![]() Crystalline Cryolite intergrown with crystals of brown Siderite. Crystals of Cryolite to 3-4mm on edge are present in one area. Ex. Erich Laskowski collection.
ST582 - Cubanite $ 1800 Henderson #2 Mine, Chibougamou, Quebec, Canada small cabinet - 6.5 x 3.5 x 1.5 cm ![]() ![]() ![]() Twinned crystals of Cubanite on matrix. Any Cubanite is a rarity, but matrix pieces are especially rare. This one has a great twinned crystal 1.2cm wide that is undamaged with bright, brassy metallic luster.
ST591 - Silver $ 275 Aspen, Pitkin Co., Colorado, USA thumbnail - 1.6 x 0.8 x 0.5 cm ![]() ![]() ![]() Aesthetic, curving Silver wires from Aspen. Fine and uncommon thumbnail.
ST587 - Gold $ 350 Sunnyside Mine, San Juan Co., colorado, USA small cabinet - 6.5 x 5 x 0.6 cm ![]() ![]() ![]() ![]() Cut slab of Gold ore showing bright grains of Gold in a matrix of Galena, Chalcopyrite and Quartz. The Quartz zones are richly included with Gold, while the Galena areas show Chalcopyrite of a slightly darker golden color than the Gold.
ST643 - Scheelite with Muscovite $ 250 Mt Xuebaoding, Ping Wu, Sichuan Prov., China miniature - 5 x 4 x 4 cm ![]() ![]() ![]() ![]() ![]() Octahedral Scheelite crystal, 3.8cm wide, atop a Muscovite covered matrix. The Scheelite shows off dramatically with good color and translucency.
ST588 - Calaverite, Chalcedony $ 650 Strong Mine, Cripple Creek Mining Dist., Colorado, USA thumbnail - 2.5 x 2 x 2 cm ![]() ![]() ![]() ![]() Large crystals of Calaverite coated by and held together by Chalcedony. The specimen is nothing but intergrown Calaverite crystals without matrix. The largest uncoated crystal on front is 1 x 1 cm, and there is another one on back that is 1.5cm long.
ST733 - Smokey Quartz $ 1200 Minas Gerais, Brazil small cabinet - 8.5 x 8 x 3 cm ![]() ![]() ![]() ![]() ![]() Highly unusual scepter-like Quartz formation from Brazil that resembles a tree. The Quartz is medium smokey in color, highly transparent, and has bright glass-like luster. Complete all around and undamaged. A strange and beautiful specimen for a collector of unusual Quartz. Even better in person!
ST723 - Calcite $ 360 Kjorholt, Brevik, Porsgrunn, Telemark, Norway small cabinet - 5.5 x 4 x 2.5 cm ![]() ![]() ![]() ![]() Aesthetic cluster of light yellow transparent Calcite crystals from Norway. The main crystal is 2.5cm wide with stunning form and quality. Undamaged specimen with no matrix.
ST719 - Magnesioaxinite $ 125 Merelani Hills, Arusha, Tanzania thumbnail - 1.3 x 1 x 0.4 cm ![]() ![]() ![]() ![]() Glassy purple/blue single Magnesioaxinite crystal from the Merelani Tanzanite mines. Complete all around and undamaged. Partially transparent with a bit of Graphite in the bottom. Cute, quality thumbnail.
ST736 - Vanadinite $ 500 Apex mine, San Carlos, Manuel Benavides Municipality, Chihuahua, Mexico miniature - 4 x 2.2 x 1.7 cm ![]() ![]() ![]() ![]() ![]() ![]() Large single, hoppered Vanadinite crystal from the Apex Mine in Mexico. A good sized, impressive crystal that is complete all around and undamaged.
ST752 - Spinel $ 250 Ruaha, near Mahenge, Morogoro, Tanzania thumbnail - 3.1 x 2 x 2 cm ![]() ![]() ![]() ![]() ![]() Octahedral purple Spinel crystals from recent finds in Tanzania. The cluster is complete all around has damage only on one edge, otherwise undamaged. Good color, luster and translucency.
ST731 - Mohawkite $ 600 Mohawk Mine, Mohawk, Keweenaw Co., Michigan, USA small cabinet - 7 x 4.5 x 3 cm ![]() ![]() ![]() ![]() Large nugget of Mohawkite, a mixture of Algodonite, Domeykite and arsenic-rich Copper that was first described from this locality. It has been polished on one side to show it's color. This is a solid Mohawkite nugget without matrix, the largest one I have personally seen. Weighs 15.6 ounces!
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