| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Chalcocite |
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| DESCRIPTION: | No. 64833 |
| Mineral: | Chalcocite |
| Locality: | Geevor Mine, St. Just District, Cornwall, England |
| Description: | Sharp well-crystallized dark-metallic chalcocite crystals with no matrix attached. The chalcocite crystals are slightly elongated form and are possibly twinned on the {001} plane. Collected ca. 1974 by David Bury |
| Overall Size: | 16x10x9 mm |
| Crystals: | 1-12 mm |
| Archived: | For reference only |
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