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Štěpite & Native Arsenic

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MNR117813

Štěpite & Native Arsenic

IMA2012-006
New Mineral type

Description Tabs

Description
Locality: 
Svornost Mine, Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 2.8 × 2 cm
Description

Štepite is lately described uranium mineral in arsenic from Jachymov (type and only locality!). The material is old about 30 years and there is no more specimens to come over. Štepite forms green crystals. Specimen listed is extremely rich (coverage all over the piece). It's possible to break into couple smaller pieces!!!!

ex. Marek Patus collection.

Free shipping up to 1 kg (2 lbs), if conditions met (see the auction header).

Mineral Data
What's on the rock

Štěpite

Formula: 
U(AsO3OH)2·4H2O
Hardness: 
0.0
Type Locality: 
Geschieber vein, Svornost Mine (Einigkeit Mine), Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Arsenic

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