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Azurite Caledonite & Arsentsumebite

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JYJ703349

Azurite Caledonite & Arsentsumebite

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.3 × 1 cm
Description

Rare green arsentsumebite, with beautiful blue azurite coated by minor caledonite. 

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...

Caledonite

Formula: 
Pb5Cu2(SO4)3(CO3)(OH)6
Strunz: 
7.BC.50
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Type Locality: 
Leadhills, South Lanarkshire, Strathclyde (Lanarkshire), Scotland, UK

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