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Azurite & Calcite

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MGR652627

Azurite & Calcite

Description Tabs

Description
Locality: 
Brixlegg, Kufstein District, Tyrol, Austria
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.6 × 5.3 × 2.6 cm
Description

The matrix is covered with white calcite scalenohedrons. They all show a thin coating of micro-crystals of azurite. Today this material is very rare, no new discoveries can be expected from this famous historic locality. This kind of calcites with azurite coating came most likely from Lilien Adit. No significant damages to report.

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...

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White