Quartz after Calcite (Ref: 5006484)
Ametista do Sul, Alto Urugai, Rio Grande do Sul, Brazil
155mm x 120mm x 55mm
Sherman large scalenohedral crystals of what were once calcite measuring to 5.5 cm in size, these now replaced by sparkling attractive amethyst crystals, across the top of a amethyst crystal matrix. This is in terrific condition. Hematite is present as well.From: Weinrich Minerals
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See Also
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Fluorite with Quartz, Calcite
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