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Bournonite Arsenopyrite & Pyrrhotite

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CR699728

Bournonite Arsenopyrite & Pyrrhotite

Classic Locality

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.5 × 3.5 cm
Largest Crystal: 
0.80cm
Weight: 
250.00gr
Description

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

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

Attractive 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

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0