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Pyrrhotite

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MGR744935

Pyrrhotite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.2 × 4.3 × 4.1 cm
Description

A really well formed "tower" of dark pyrrhotite crystals, the edges of each crystal is lustrous. The assemble is more tri-dimensional and better in person. Pyrrhotite is probably the most under-appreciated mineral from the locality, but this is really a very nice sample for Trepca and should be noz under-valued. Bottom; lower backside was on the rock.

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