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Azurite & Quartz

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MGR662555

Azurite & Quartz

Description Tabs

Description
Locality: 
St Gertraudi, Brixlegg, Tyrol, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 4.9 × 3.1 cm
Description

The matrix is covered with tiny sparkling quartz crystals. Most of them are coated with micro crystals of dark blue azurite. Should be high ranked for the rare historic locality.

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...

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White