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Cobaltarthurite Arsenosiderite & Yukonite

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HCL141501

Cobaltarthurite Arsenosiderite & Yukonite

Type Locality

Description Tabs

Description
Locality: 
La Reconquistada Claim, Pastrana, Mazarrón, Murcia, Spain
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2 cm
Description

  Yellow spherules of cobaltarthurite formed by acicular crystals covered by arsenosiderite with minor brow-red yukonite.  

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

Yukonite

Formula: 
Ca3Fe3+(AsO4)2(OH)3·5H2O
Strunz: 
8.DM.25
Hardness: 
2.0 - 3.0
Streak: 
brown
Type Locality: 
Daulton Mine, Windy Arm, Tagish Lake, Carcross, Whitehorse Mining District, Yukon Territory, Canada

Seller Information

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