Calcite with Marcasite phantom-growth zones from Vulcan Quarry, Racine, Racine County, Wisconsin
DESCRIPTION: | No. 76603
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Mineral: | Calcite with Marcasite phantom-growth zones
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Locality: | Vulcan Quarry, Racine, Racine County, Wisconsin |
Description: | Lustrous translucent colorless calcite crystals to 30 mm with gray phantom-growth zones of gray marcasite microcrystals. The calcite crystals are scalenohedral form with secondary edge faces and steep pyramidal termination modifications. Sawn bottom. Collected ca. 1995 |
Overall Size: | 9x5x5 cm |
Crystals: | 12-30 mm |
Archived: | For reference only |
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