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Cobaltarthurite

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BCK612861

Cobaltarthurite

Rare Mineral

Description Tabs

Description
Locality: 
Oumlil, Bou Azzer, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.7 × 0.5 cm
Description

You are bidding on a small sample with some nice, very small balls of sharp cobaltarthurite crystals from the Oumlil East Mine. The best locality in the world for this species. 

Mineral Data
What's on the rock

Cobaltarthurite

Formula: 
(Co,Mg)Fe3+2(AsO4)2(OH)2·4H2O
Strunz: 
8.DC.15
Hardness: 
3.5 - 4.0
Type Locality: 
La Reconquistada claim (prospect near Dolores mine), Pastrana, Mazarrón-Águilas, Murcia, Spain

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