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Pyrrhotite & Calcite

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ESM759004

Pyrrhotite & Calcite

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Kosovska Mitrovica, Kosovo
Class: 
Combination
Size Range: 
Museum (18cm plus)
Size: 
19 × 12 × 7 cm
Description

Clusters of metallic brown pyrrhotite blades with colorless calcite 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

Calcite

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