Calcite (Sygma 3 Twin)
specimen number:
9501510
location:
Tonglushan Mine, Daye Co., Huangshi, Hubei, China
description: Beautiful glassy colorless mostly gemmy and large crystals of calcite to 10.0 cm in size set on this matrix with many smaller scalenohedral crystals of calcite. In perfect condition. The prominent crystal representing a very sharp and well defined twin, a rare twinning known as a Sygma 3 twin. Displays beautifully.
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