| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper in shale |
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| DESCRIPTION: | No. 58212 |
| Mineral: | Copper in shale |
| Locality: | White Pine Mine, Keweenaw Peninsula Copper District, Ontonagon County, Michigan |
| Description: | Flattened arborescent formation of metallic native copper (naturally occurring copper) with a fragment of gray shale on the bottom. The copper crystallized in a thin fracture in the shale and the surfaces are covered with copper microcrystals. Ex. B. Gaber collection #1670 |
| Overall Size: | 7x2x0.3 cm |
| Crystals: | micro |
| Archived: | For reference only |
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