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Azurite & Malachite

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BMM1040807

Azurite & Malachite

Description Tabs

Description
Locality: 
Sepon Mine, Vilabouly District, Savannakhet Province, Lao (formerly Laos)
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.5 × 1.8 cm
Description

Exposed, lustrous, transparent dark-blue to electric blue azurite crystals on finely crystallized malachite. Very good contrast of the azurite on the malachite!

Mineral Data
What's on the rock

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...

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0