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Pyrrhotite & Pyrite

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MGR753548

Pyrrhotite & Pyrite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 5 × 4.3 cm
Description

The specimen is developed as floater - it is a pseudomorphosis of pyrite after pyrrhotite, minor quartz crystals give more contrast to the piece. The assemble is much more tri-dimensional and the piece should be high ranked for this more rare pseudomorph cast. No significant damages to report.

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

Pyrite

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