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Azurite

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BMM572566

Azurite

Description Tabs

Description
Locality: 
Milpillas Mine, Cuitaca, Santa Cruz Municipality, Sonora, Mexico
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2 × 2.7 cm
Description

Several crystals on matrix with one exposed main crystal. The crystals are rich in very well-defined faces that have a brilliant luster and show the extraordinary deep blue color (electric blue) which has made the azurites from this locality famous.

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...