| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from England > Copper |
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| DESCRIPTION: | No. 58438 |
| Mineral: | Copper |
| Locality: | Geevor Mine, 13th Level, St. Just District, Cornwall, England |
| Description: | Sharp well-crystallized metallic native copper crystals intermixed with brown limonite gossan. The copper crystals are in several forms, cubic to elongated pseudo-scalenohedral twins following the Spinel Law of isometric twinning. Ex. W. Keller #128; ex. P. Freeman (UK) |
| Overall Size: | 26x18x8 mm |
| Crystals: | 0.1-2.6 mm |
| Archived: | For reference only |
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