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Malachite On Azurite

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CLB588911

Malachite On Azurite

ex collection Otfried Kopp
Classic Locality

Description Tabs

Description
Locality: 
Kalmakyr Mine, Piskent District, Tashkent Viloyati, Uzbekistan
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 6 × 5.3 cm
Weight: 
476.00gr
Description

Crystaline malachite (altered?) on massive azurite on matrix. Great color.

Malachite-azurite from Uzbekistan very seldom appears on the market. The whole mine is under-represented on mindat.

The specimen shows a few acceptable dings on the top.

Mineral Data
What's on the rock

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...

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