| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper |
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| DESCRIPTION: | No. 40066 |
| Mineral: | Copper |
| Locality: | Keweenaw Peninsula Copper District, Michigan |
| Description: | Bright metallic native copper with hollow center area where it appears the copper grew over calcite that has dissolved away. The specimen is mounted in an acrylic Perky-style display box for protection and easy handling. |
| Overall Size: | 20x20x18 mm |
| Crystals: | |
| Archived: | For reference only |
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