| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper (native copper) |
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| DESCRIPTION: | No. 76784 |
| Mineral: | Copper (native copper) |
| Locality: | Keweenaw Peninsula Copper District, Michigan |
| Description: | Mass of metallic native copper (naturally occurring copper) with green matrix trapped by the copper. The surfaces throughout have impressions where the copper formed around quartz-calcite crystals. |
| Overall Size: | 6.5x3.5x2 cm |
| Crystals: | |
| Archived: | For reference only |
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