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Kaatialaite & Native Arsenic & Dickite & Arsenolite

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SHS1003451

Kaatialaite & Native Arsenic & Dickite & Arsenolite

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.6 × 2.1 cm
Description

Kaatialaite with arsenolite and dickite 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

Arsenic

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

Dickite

Formula: 
Al2(Si2O5)(OH)4
Strunz: 
9.ED.05
Hardness: 
2.0 - 2.5
Type Locality: 
Pant-y-Gaseg Mine, Amlwch, Isle of Anglesey (Gwynedd; Anglesey), Wales, UK

Arsenolite

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