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Eucairite Uraninite Clausthalite & Berzelianite

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RHT837030

Eucairite Uraninite Clausthalite & Berzelianite

ex collection Thorsten Häuser
Radioactive

Description Tabs

Description
Locality: 
Předbořice, Kovářov, Písek District, South Bohemian Region, Czech Republic
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.4 × 2.3 cm
Weight: 
22.00gr
Description

Silvery eucairite with black spheroidal uraninite, glossy metalic berzelianite and gray  clausthalite, maybe tiemannite and grayish hakite-(hg) (last two neither analysed nor labeled).

Mineral Data
What's on the rock

Eucairite

Formula: 
AgCuSe
Strunz: 
2.BA.50
Hardness: 
2.5
Streak: 
Shining
Type Locality: 
Skrikerum Mine (Skrickerum Mine), Valdemarsvik, Östergötland, Sweden

Uraninite

Formula: 
UO2
Strunz: 
4.DL.05
Crystal System: 
Isometric
Hardness: 
5.0 - 6.0
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic

Clausthalite

Formula: 
PbSe
Strunz: 
2.CD.10
Hardness: 
2.5 - 3.0
Type Locality: 
St Lorenz Mine, Burgstatt veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany

Berzelianite

Formula: 
Cu2Se
Strunz: 
2.BA.20
Crystal System: 
Isometric
Hardness: 
2.0
Streak: 
Shining
Type Locality: 
Skrikerum Mine (Skrickerum Mine), Valdemarsvik, Östergötland, Sweden