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Malachite & Azurite

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MSD829760

Malachite & Azurite

Description Tabs

Description
Locality: 
Geyer - Silberberg District, Brixlegg, Kufstein District, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1 cm
Description

Fantastic curls of pale Malachite on Siderite accompanied by bright blue Azurite rosettes. This is a fine and for this location typical thumbnail 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...