Calcite with Pyrite, Quartz
specimen number:
3671018
location:
Steward mine, Butte, Silver Bow Co., Montana, USA
description:
Colorless to very slightly pinkish scalenohedral translucent semi lustrous calcite crystals to 3.5 cm in length forming a cluster on small amount of matrix with minor quartz and pyrite. One crystal is cleaved, I still think in good condition and a choice example for the species from this famous old mining district.
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