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Azurite Malachite & Fahlerz

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CLB648879

Azurite Malachite & Fahlerz

ex collection Eugen Kreidler, ex Klockmann 1962
Classic Locality

Description Tabs

Description
Locality: 
Himmelfahrt Mine, Neubulach, Karlsruhe Region, Baden-Württemberg, Germany
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 5 × 1.5 cm
Description

Nice sample of blue azurite, green malachite and/or chrysocolla (maybe mixed with mixite - bad pun, I know ...) and metallic gray fahlore (tennantite-tetrahedrite). The moss-green spots could be cuproromeite (my guess).

The original labels name huntilite - which would be a mixture of nickeline and silver (certainly wrong).

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...

Malachite

Formula: 
Cu2(CO3)(OH)2
Strunz: 
5.BA.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Fahlerz

Variety Of: 

Tennantite-Tetrahedrite Series

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