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Datolite (twinned) and Quartz
Central Boron mine, Dalnegorsk, Russia
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CM27862 A penetration-twin crystal of datolite with minor quartz from the Central Boron pit in Dalnegorsk, Russia. This 6.5 cm tall specimen documents that twinned crystals of datolite can occur. It was purchased from Wright's Rock Shop in 2001.
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