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Malachite Psm Azurite

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PDM753193

Malachite Psm Azurite

Pseudomorph

Description Tabs

Description
Locality: 
Ray Mine, Pinal County, Arizona, United States of America
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.5 × 0.7 cm
Description

Classic floater aggregate of green fibrous crystals of malachite that totally replaces interpenetrated and elongated crystals of azurite.

Acquired in 1984. Ex. Gerard Vogel 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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