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Malachite On Malachite Psm Azurite

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CLB532352

Malachite On Malachite Psm Azurite

Pseudomorph

Description Tabs

Description
Locality: 
Seabra, Bahia, Brazil
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4.5 × 3.1 cm
Description

Spectacular rosettes of malachite pseudomorph after azurite crystals with a second generation of botryoidal malachite aggregates.

Very rare and uncommon for Brazil.

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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