AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper, Quartz, Epidote |
DESCRIPTION: | No. 30928 |
Mineral: | Copper, Quartz, Epidote |
Locality: | Keweenaw Peninsula Copper District, Michigan |
Description: | Heavy specimen of native (naturally occurring) copper in matrix of quartz and basalt with olive-green epidote microcrystals. The weight of the specimen is indicative of the high copper content, though it is only visible on the outside. |
Overall Size: | 29x15x9 cm |
Crystals: | |
Archived: | For reference only |
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