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Pyrrhotite Arsenopyrite Calcite & Pyrite

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ESM782834

Pyrrhotite Arsenopyrite Calcite & Pyrite

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 6 × 5 cm
Description

Clusters of golden pyrrhotite blades hosting pyrite crystals, brassy arsenopyrite crystals and minor calcite and quartz crystals

Mineral Data
What's on the rock

Pyrrhotite

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

Arsenopyrite

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5