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Cobaltarthurite Barahonaite-(Fe) & Pharmacosiderite

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SCH28324

Cobaltarthurite Barahonaite-(Fe) & Pharmacosiderite

Type Locality

Description Tabs

Description
Locality: 
La Reconquistada Claim, Pastrana, Mazarrón, Murcia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.6 × 5.2 × 2.6 cm
Description

Radial spheres of new species Cobaltarthurite are spread over the matrix. Tiny yellow Barahonaite-Fe crystals are lining cavities together with bright pharmacosiderite. There are also a group of grass-green cornwallite at one side. Analised specimen and with signed label from one of the authors of the material. Excellent for the 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

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

Pharmacosiderite

Formula: 
KFe3+4(AsO4)3(OH)4·6-7H2O
Strunz: 
8.DK.10
Hardness: 
2.5
Streak: 
white
Type Locality: 
Carharrack Mine, St Day United Mines (Poldice Mines), Gwennap, Camborne - Redruth - St Day District, Cornwall, England, UK
schani

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