The height of coolness in crystal development. Twinning (the growth of two or more crystals in an oriented relationship) can cause a crystal to look as if it has been divided and reflected across a mirror, and often results in very complex crystal appearance, where a seemingly single crystal includes the forms of more than one crystal.
Showing 1–12 of 14 results
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Calcite
Price: $60.00Location : Yushnoe Mine, Dal'negorsk, Primorskiy Kray, RussiaSize : 4.5 x 3.1 x 2.2 cm -
Calcite (Twinned)
Price: $125.00Location : York Building Supply Quarry, York, York Co., Pennsylvania, USASize : 7.0 x 6.0 x 5.0 cm -
Calcite (Twinned)
Price: $150.00Location : York Building Supply Quarry, York, York Co., Pennsylvania, USASize : 5.0 x 5.0 x 3.6 cm -
Cassiterite
Price: $2,000.00Location : Huya Deposit (Pingwu Beryl Mine), Mt. Xuebaoding, Pingwu County, Sichuan Province, ChinaSize : 7.8 x 6.6 x 5.8 cm -
Cerussite
Price: $75.00Location : Tsumeb, Mine, Otjikoto Region, NamibiaSize : 5.9 x 3.4 x 2.5 cm -
Chalcopyrite, Siderite
Price: $325.00Location : Kaiwu Mine, Hezhang Co., Ghizou Province, ChinaSize : 7.7 x 7.5 x 4.2 cm -
Chrysoberyl var. Alexandrite
Price: $150.00Location : Carnaíba District, Pindobaçu, Bahia, BrazilSize : 3.3 x 2.4 x 1.6 cm -
Chrysoberyl var. Alexandrite
Price: $125.00Location : Carnaíba District, Pindobaçu, Bahia, BrazilSize : 3.7 x 3.1 x 2.2 cm -
Chrysoberyl var. Alexandrite
Price: $125.00Location : Carnaíba District, Pindobaçu, Bahia, BrazilSize : 4.7 x 3.4 x 1.5 cm -
Clinozoisite
Price: $125.00Location : Cerro San Cristobal, San Vincente de Cañete, Cañete Province, Lima Dept., PeruSize : 5.5 x 5.0 x 4.7 cm -
Gmelinite ps Chabazite
Price: $95.00Location : Pinnacle Rock, Five Islands, Cumberland Co., Nova Scotia, CanadaSize : 4.8 x 3.7 x 2.8 cm -
Hydroxylherderite
Price: $200.00Location : Morro Redondo Mine, Coronel Murta, Minas Gerais, BrazilSize : 5.3 x 5.1 x 3.4 cm