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Crednerite & Azurite

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BGM540264

Crednerite & Azurite

Description Tabs

Description
Locality: 
Kyffhauser, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
0.5 × 6 × 7 cm
Largest Crystal: 
0.20cm
Weight: 
40.00gr
Description

Black, sphaerical aggregates of crednerite up to 2 mm together with some azurite. Rare mineral from a very unususal locality!

Condition: excellent!

Mineral Data
What's on the rock

Crednerite

Formula: 
CuMnO2
Strunz: 
4.AB.05
Crystal System: 
Monoclinic
Hardness: 
4.0
Colour: 
Black
Type Locality: 
Glücksstern Mine, Gottlob Hill, Friedrichroda, Thuringian Forest, Thuringia, Germany

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...

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