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Hakite Clausthalite Tiemannite & Uraninite

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Hakite Clausthalite Tiemannite & Uraninite

Type Locality

Description Tabs

Description
Locality: 
Předbořice, Kovářov, Písek District, South Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.7 × 0.8 cm
Description

Very nice, rich specimen of selenium (Se) minerals assemblage: Hakite-(Hg), Clausthalite, Tiemannite with minor black Uraninite in calcite matrix from classic locality (Type Locality for Hakite-(Hg)). Specimen from old collection.

Mineral Data
What's on the rock

Hakite

Formula: 
Cu6[Cu4Hg2]Sb4Se13
Strunz: 
2.GB.05
Crystal System: 
Isometric
Hardness: 
4.5
Streak: 
White
Type Locality: 
Předbořice, Central Bohemia 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

Tiemannite

Formula: 
HgSe
Strunz: 
2.CB.05a
Hardness: 
2.5
Streak: 
Black
Type Locality: 
St Lorenz Mine, Burgstatt veins, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany

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

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