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Cobaltarthurite

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CR961936

Cobaltarthurite

Type Locality

Description Tabs

Description
Locality: 
La Reconquistada Claim, Pastrana, Mazarrón, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.8 × 1.8 cm
Description

This is a rich specimen of the very rare mineral Cobaltarthurite from its type locality.

Small globular and leafy crystallized aggregates of pale deep brown Cobaltarthurite on both sides of the interesting specimen.

Rare !

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