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Cobaltarthurite Arsenosiderite & Pharmacosiderite

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HCL96593

Cobaltarthurite Arsenosiderite & Pharmacosiderite

Type Locality

Description Tabs

Description
Locality: 
Dolores Prospect, Pastrana, Murcia, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.6 × 2 cm
Description

  Yellow spherules of cobaltarthurite formed by acicular crystals covered by arsenosiderite and Pharmacosiderite.  

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

Arsenosiderite

Renamed To: 

Löllingite

Formula: 
FeAs2
Strunz: 
2.EB.15a
Hardness: 
5.0 - 5.5

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

Seller Information

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