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Name: |
olivenite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Cu2AsO4 (OH) Hydrous Copper Arsenate |
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Color(s): |
green, greenish-black, olive-green to brown |
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Hardness: |
3 |
SpecGrav: |
4.3 - 4.5 |
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Fracture: |
conchoidal |
Cleavage: |
incomplete |
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Crystal: |
orthorhombic (elongated or short prismatic, sometimes acicular) |
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Envronment: |
secondary mineral in the alteration of hydrothermal replacement deposits |
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Association: |
malachite, azurite, arsenopyrite, zeunerite |
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Locals: |
| USSR | Utah, Nevada, USA | Greece | Chile| England | |
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Misc: |
The name comes from the German word "olivenerz", meaning "olive ore". Soluble in both acids and ammonia. |
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Photos |
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1.) Majuba Hill Mine, Pershing Co., Nevada |
3.) Majuba Hill Mine, Pershing Co., Nevada |
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