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Claudetite & Arsenolite

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SER914957

Claudetite & Arsenolite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Svornost Mine, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.8 × 1.1 cm
Description

several prismatic claudetite crystals on matrix with octahedron of arsenolite

Mineral Data
What's on the rock

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

Arsenolite

Formula: 
As2O3
Strunz: 
4.CB.50
Crystal System: 
Isometric
Hardness: 
1.5
Type Locality: 
St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany