clinoclase

Name:

clinoclase

A photo of the mineral clinoclase

Class:

Phosphates/Arsenates/Vanadates

Chemistry:

Cu3AsO4 (OH)3 hydros copper arsenate

Color(s):

dark green, blue, dark blue to black

Hardness:

2.5 - 3.0

SpecGrav:

4.33

Fracture:

uneven

Cleavage:

perfect

Crystal:

monoclinic (often in groups - radiating as rosettes, tabular and elongated)

Envronment:

Secondary mineral in the oxidation zone of copper sulfide deposits.

Association:

olivinite, cornubite

Locals:

| Morocco | Australia | Japan | England | Chile | Nevada, Utah, USA |

Misc:

Soluble in dilute acids and produces a garlic smell.

Photos
& Locals:

1.) Majuba Hill Mine, Pershing Co. Nevada
2.) Majuba Hill Mine, Pershing Co. Nevada
3.) Majuba Hill Mine, Pershing Co. Nevada(closeup)

4.) Majuba Hill Mine, Pershing Co. Nevada(closeup)
5.) Majuba Hill Mine, Pershing Co. Nevada(closeup)

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Name:	clinoclase
Class:	Phosphates/Arsenates/Vanadates
Chemistry:	Cu3AsO4 (OH)3 hydros copper arsenate
Color(s):	dark green, blue, dark blue to black
Hardness:	2.5 - 3.0	SpecGrav:	4.33
Fracture:	uneven	Cleavage:	perfect
Crystal:	monoclinic (often in groups - radiating as rosettes, tabular and elongated)
Envronment:	Secondary mineral in the oxidation zone of copper sulfide deposits.
Association:	olivinite, cornubite
Locals:	\| Morocco \| Australia \| Japan \| England \| Chile \| Nevada, Utah, USA \|
Misc:	Soluble in dilute acids and produces a garlic smell.

	Photos & Locals:
		1.) Majuba Hill Mine, Pershing Co. Nevada 2.) Majuba Hill Mine, Pershing Co. Nevada 3.) Majuba Hill Mine, Pershing Co. Nevada(closeup)		4.) Majuba Hill Mine, Pershing Co. Nevada(closeup) 5.) Majuba Hill Mine, Pershing Co. Nevada(closeup)

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