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Malachite Azurite

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UMM960071

Malachite Azurite

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Description
Locality: 
Katanga Copper Crescent, Haut-Katanga, DR Congo
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 4 × 0.7 cm
Weight: 
35.00gr
Description

This is a malachite from Katanga in Congo. The piece is a former stalactites. This was sawn to pieces. Hence the concentric appearance. In the former stalactite, layers of azurite and malachite alternate. Whereby Malachite clearly predominates. 

Boxed with Label
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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