| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Arizona > Copper (Spinel-Law twinned) |
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| DESCRIPTION: | No. 64189 |
| Mineral: | Copper (Spinel-Law twinned) |
| Locality: | Christmas Mine, Banner District, Gila County, Arizona |
| Description: | Large arborescent formation of native copper crystals with remnants of white matrix in areas. The copper crystals are feather-like forms the result of twinning on the {111} plane following the Spinel Law of twinning. Rare copper for the locality. |
| Overall Size: | 6.5x4x1 cm |
| Crystals: | 1-20 mm |
| Archived: | For reference only |
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