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Malachite Psm Azurite

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MGR821316

Malachite Psm Azurite

Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 1.6 cm
Description

A complete chatoyant, well shaped crystal - azurite is completely replaced by malachite. The termination is sharp, the crystal looks great also back-side - only bottom was on the rock. An excellent crystal in remarkable dimension. No significant damages to report.

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...