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Malachite & Azurite

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MBM820045

Malachite & Azurite

From an old collection of a doctor in chemistry from 1900-1930
Classic Locality

Description Tabs

Description
Locality: 
Tsumeb Mine, Otavi Highlands, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 2.5 cm
Description

Tsumeb is famous for pseudomorphs, especially for Malachite after Azurite combinations. This miniature is example; well formed lustrous blue Azurite crystals have been replaced by dark green Malachite. Sharply formed individual crystals of translucent dark blue Azurite are in turn perched upon the Malachite. 

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...

Seller Information

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Seller's terms and conditions

Seller Shipment Germany 6,00 EUR  Europe 9,00 EUR Worldwide shipment 12,00 EUR