| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper, Silver, Datolite |
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| DESCRIPTION: | No. 34681 |
| Mineral: | Copper, Silver, Datolite |
| Locality: | Central Mine, Keweenaw Peninsula Copper District, Michigan |
| Description: | Large crystals of native copper up to 15 mm with dark surface patina. Also attached are translucent colorless datolite crystals up to 4 mm and gray metallic silver crystals up to 2 mm. The datolite has bright copper inclusions. Ex. John A. Manley (1861-1936) ca. 1890s |
| Overall Size: | 4x3x2 cm |
| Crystals: | 1-15 mm |
| Archived: | For reference only |
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