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Kaatialaite & Claudetite

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JYJ847956

Kaatialaite & Claudetite

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.8 × 1.4 cm
Description

Colourless kaatialaite associated with claudetite on arsenic from Jachymov, Czech Republic.

SEM-EDS confirmed. 

 

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