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Malachite On Azurite

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Malachite On Azurite

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Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 2.6 × 2.3 cm
Description

Malachite most likely growing on azurite from an very old collection from Tsumeb.

Astonishing is the label from 1943!! which will be included to the specimen.

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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