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Crednerite

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Crednerite

Description Tabs

Description
Locality: 
Valgraveglia Mine, Reppia, Ne, Graveglia Valley, Genova Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.7 × 2.3 cm
Description

Black metallic crednerite with beige-brownish veins of friedelite from the Valgraveglia mine, Reppia, Italy. 

Analysed specimen. 

Analysis on request. 

 

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