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Azurite

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BMM806413

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 × 2.5 × 2.2 cm
Description

Exposed and doubly terminated azurite with a size of 2.3 cm on bright matrix. The crystal is doubly terminated and 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. Second and fifth photo with LED backlit.

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...