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Hakite Eucairite Eskebornite & Bukovite

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JYJ818460

Hakite Eucairite Eskebornite & Bukovite

Description Tabs

Description
Locality: 
Předbořice, Kovářov, Písek District, South Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 0.4 cm
Description

SEM-EDS confirmed part of a polished section:

purple reflective hakite-(Hg), silver metallic clausthalite, greyish tiemannite often associated with native gold, minor yellow metallic bukovite and eucairite, eskebornite in different shades of grey. 

(19-05-14 EDS confirmed) Analysis attached.

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

Eucairite

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

Eskebornite

Formula: 
CuFeSe2
Strunz: 
2.CB.10a
Hardness: 
3.0 - 3.5
Streak: 
Black
Type Locality: 
Eskaborn Adit, Tilkerode (Abberode), Harz, Saxony-Anhalt, Germany

Bukovite

Formula: 
Tl2(Cu,Fe)4Se4
Strunz: 
2.BD.30
Crystal System: 
Tetragonal
Hardness: 
2.0
Type Locality: 
Bukov Mine, Rožná deposit, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic