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Bournonite Arsenopyrite & Sphalerite

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CR682666

Bournonite Arsenopyrite & Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 7 × 4.5 cm
Largest Crystal: 
0.80cm
Description

A very rare and attractive specimen from Trepca hard to obtain.

Large and lustrous bournonite crystal grown on very shiny arsenopyrite crystals psm pyrrhotite blades and sharp black sphalerite crystals. With golden pyrite crystals and white calcite crystals.

Attracrive specimen from Armin Wendland collection

Mineral Data
What's on the rock

Bournonite

Formula: 
PbCuSbS3
Strunz: 
2.GA.50
Hardness: 
2.5 - 3.0
Type Locality: 
Wheal Boys (Trewetha Mine; Old Trewetha Mine), Port Isaac, St Endellion, Wadebridge District, Cornwall, England, UK

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0