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Pyrrhotite Sphalerite & Calcite

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MGR840561

Pyrrhotite Sphalerite & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
15.4 × 13.3 × 6.9 cm
Description

A well formed, very tri-dimensional combination of numerous chatoyant pyrrhotite crystals set on ore-matrix, lustrous sphalerite crystals and reddish calcite is also present. A really impressive and colorful specimen without significant damages.

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

Sphalerite

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

Calcite

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