Chalcocite with Prehnite
specimen number:
2062096
location:
Clark Mine, Keweenaw Co., Michigan, USA
description:
Metallic crystals of chalcocite to 0.1 cm in size scattered richly across the top of a botryoidal green prehnite crystal matrix. In good condition. A neat thumbnail specimen for this mining district.
Size: 3.0 x 2.3 x 2.0 cm (thumbnail)
Collection: Ray DeMark
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Related by Mineral (Chalcocite):
Chalcocite — Montana
Origin: Butte, Silver Bow Co., Montana, USA
Number: (2102375)
Size: 7.0 x 5.0 x 2.0 cm (small-cabinet)
Chalcocite — Wisconsin
Origin: Flambeau Mine, Rusk Co., Wisconsin, USA
Number: (8311134)
Size: 3.2 x 2.7 x 1.3 cm (miniature)
Chalcocite — Germany
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Number: (1052352)
Size: 16.0 x 9.0 x 6.0 cm (large-cabinet)

