| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Connecticut > Chalcocite |
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| DESCRIPTION: | No. 69758 |
| Mineral: | Chalcocite |
| Locality: | Bristol Copper Mine, Hartford County, Connecticut |
| Description: | Large twinned dark-gray chalcocite crystals with remnants of white calcite in crevices. The chalcocite crystals were originally embedded in calcite that was dissolved to expose the chalcocite. Ex. Irving Horowitz collection #73c |
| Overall Size: | 20x14x10 mm |
| Crystals: | 1-11 mm |
| Archived: | For reference only |
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