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Azurite & Quartz

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ATH868375

Azurite & Quartz

Description Tabs

Description
Locality: 
Clara Mine, Oberwolfach, Freiburg Region, Baden-Württemberg, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 5.8 × 5.5 cm
Description

Deep blue and lustrous azurite covering a quartz matrix from Oberwolfach, Germany.

The specimen has nice formation and partly the quartz is covered by a thin orange layer.
Layer could for sure be cleaned, but item comes from an old collection from the 1970s, so I let it in the original look - giving also some color contrast...

 

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

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