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Growth Zoned Crystals

Ametrine, 8 cm polished crystal section showing purple and yellow sectors. Anahi Mine, Sandoval Province, Bolivia. China realgar 22mm, back-lit, Jiepaiyu Mine (Shimen Mine), Shimen deposit (Huangchang deposit), Shimen Co., China Fluorite cube showing growth zoning and one layer of microsulphide crystals, Seata, Yorkshire
Colour-zoned 2 cm interpenetrant fluorite twin, Cambokeels Mine. Yellow to blue zoned fluorite crystal, Swinhope Head Mine, Weardale, England, 21 mm along edge. Fluorite zoning.jpg
Growth zoned Huanggang calcite twin (shown crystal 16 mm across), Guanggang, China Twinned calcite crystal (17mm) from Landelies, Belgium shows selectively coated scalenohedral faces from an earlier growth stage Zoned tourmaline, 14 mm across, Oyjuwa Mine, Namibia.

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