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Kaatialaite Claudetite & Native Arsenic

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ESM591101

Kaatialaite Claudetite & Native Arsenic

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.5 × 4 × 2.5 cm
Description

White crystalline kaatialaite with clear claudetite on native arsenic

Mineral Data
What's on the rock

Kaatialaite

Formula: 
Fe(H2AsO4)3·5H2O
Strunz: 
8.CC.10
Crystal System: 
Monoclinic
Hardness: 
0.0
Type Locality: 
Kaatiala pegmatite, Kuortane, Western and Inner Finland Region, Finland

Claudetite

Formula: 
As2O3
Strunz: 
4.CB.45
Crystal System: 
Monoclinic
Hardness: 
2.5
Type Locality: 
São Domingos Mine, Corte do Pinto, Mértola, Beja District, Portugal

Arsenic

Formula: 
As
Strunz: 
1.CA.05
Crystal System: 
Trigonal
Hardness: 
3.5
Streak: 
Grey