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Ferroselite & Bukovite

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JYJ974854

Ferroselite & Bukovite

Description Tabs

Description
Locality: 
Předbořice, Kovářov, Písek District, South Bohemian Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.7 × 0.7 × 0.6 cm
Description

Large silver metallic clausthalite inclusion associated with beige ferroselite (isolated inclusion in calcite) and bukovite (medium dark grey), eskebornite (brassy) in calcite matrix. 

SEM-EDS confirmed material. Analysis on request. 

 

Mineral Data
What's on the rock

Ferroselite

Formula: 
FeSe2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5
Streak: 
Black
Type Locality: 
Ust' Uyok deposit (Ust'-Uyuk), Turan District, Tuva Republic, Eastern-Siberian Region, Russia...

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