| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Calumetite and Epidote |
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| DESCRIPTION: | No. 74835 |
| Mineral: | Calumetite and Epidote |
| Locality: | Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite) |
| Description: | Rich specimen with rosettes of bright bluish-green calumetite microcrystals with lustrous transparent olive-green epidote crystals to 0.5 mm lining small cavities in greenish matrix. Ex. Julius Weber (1914-2003) collection, principle photographer of the Encyclopedia of Minerals (1974) |
| Overall Size: | 22x16x12 mm |
| Crystals: | micro to 0.5 mm |
| Archived: | For reference only |
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