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Malachite Psm Azurite

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PDM664221

Malachite Psm Azurite

Pseudomorph

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 1.7 × 1.3 cm
Description

A classic Tsumeb specimen of prismatic azurite, with crystals up to 40 mm, that have been completely replaced by malachite. Mounted on a methacrylate socle.

Acquired in 2004. Ex. Iván Blanco collection.

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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