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Cobaltarthurite & Yukonite

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Cobaltarthurite & Yukonite

Type Locality

Description Tabs

Description
Locality: 
La Reconquistada Claim, Pastrana, Mazarrón, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.1 × 1.9 cm
Description

Yellow tufts of cobaltarthurite from its type locality with brown balls of 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

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