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Name: |
cornubite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Cu5(AsO4)2(OH)4 hydros copper arsenate |
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Color(s): |
light green, apple-green, to dark green |
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Hardness: |
unknown |
SpecGrav: |
4.6 |
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Fracture: |
unknown |
Cleavage: |
unknown |
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Crystal: |
triclinic ( often fibrous masses or botryoidal aggregates) |
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Envronment: |
only known in a few localities |
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Association: |
clinoclase, malachite, olivinite, cornwallite, liroconite |
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Locals: |
| Cornwall, Devon, Cumberland, England | Arizona, Utah, USA | Japan | |
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Misc: |
Named from Cornubia, the medieval latin name for Cornwall. |
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Photos |
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