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Azurite & Arsentsumebite

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CR767794

Azurite & Arsentsumebite

Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 3.5 × 2.5 cm
Description

A classic combination specimen from Tsumeb, featuring large tabular Azurite crystals on matrix with minor Arsentsumebite and Malachite.

Beautiful old specimen - collected 1943.
 

Mineral Data
What's on the rock

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...

Arsentsumebite

Formula: 
Pb2Cu(AsO4)(SO4)(OH)
Strunz: 
8.BG.05
Crystal System: 
Monoclinic
Hardness: 
4.0 - 5.0
Type Locality: 
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
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