| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Montana > Chalcocite and Bornite |
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| DESCRIPTION: | No. 27589 |
| Mineral: | Chalcocite and Bornite |
| Locality: | Butte Mining District, Summit Valley, Silver Bow County, Montana |
| Description: | Dark chalcocite intergrown with metallic bornite with old pen-and-ink label attached to the bottom. Ex. A. Lincoln Sherk II, MD. (1896-1970); ex. Frederick J. M. Oldach (1823-ca.1905) |
| Overall Size: | 5.5x4x3.5 cm |
| Crystals: | 1-5 mm |
| Archived: | For reference only |
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