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Cobaltarthurite & Barahonaite-(Fe)

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RSL586613

Cobaltarthurite & Barahonaite-(Fe)

Type Locality

Description Tabs

Description
Locality: 
La Reconquistada Claim, Pastrana, Mazarrón, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 1.5 cm
Description

Small globular and leafy aggregates of dark brown cobaltarthurite, on matrix with yellowish barahonaite-(Fe), deep brown yukonite and arseniosiderite and arsenocrandallite. The sample has a label from Dr. Joan Viñals, one of the describers of the species.
Concesión La Reconquistada (near mina Dolores), Pastrana, Mazarrón-Águilas, Murcia, España.

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

Barahonaite-(Fe)

Formula: 
(Ca,Cu,Na,Fe3+,Al)12Fe3+2(AsO4)8(OH,Cl)x·nH2O
Strunz: 
8.CH.60
Hardness: 
0.0
Type Locality: 
La Reconquistada claim (prospect near Dolores mine), Pastrana, Mazarrón-Águilas, Murcia, Spain