Name:

olivenite

A photo of the mineral olivenite

Class:

Phosphates/Arsenates/Vanadates

Chemistry:

Cu2AsO4 (OH) Hydrous Copper Arsenate

Color(s):

green, greenish-black, olive-green to brown

Hardness:

3

SpecGrav:

4.3 - 4.5

Fracture:

conchoidal

Cleavage:

incomplete

Crystal:

orthorhombic (elongated or short prismatic, sometimes acicular)

Envronment:

secondary mineral in the alteration of hydrothermal replacement deposits

Association:

malachite, azurite, arsenopyrite, zeunerite

Locals:

| USSR | Utah, Nevada, USA | Greece | Chile| England |

Misc:

The name comes from the German word "olivenerz", meaning "olive ore". Soluble in both acids and ammonia.

Photos
& Locals:

1.) Majuba Hill Mine, Pershing Co., Nevada
2.) Majuba Hill Mine, Pershing Co., Nevada

3.) Majuba Hill Mine, Pershing Co., Nevada
4.) Majuba Hill Mine, Pershing Co., Nevada

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