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Quartz Pyrrhotite & Calcite

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MGR736844

Quartz Pyrrhotite & Calcite

Floater

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 5.6 × 4.2 cm
Description

At the base you can see agroup of dark pyrrhotite crystals - on it a group of sharp, glossy and sharp quartz crystals. Along the edges there are several spheres of light calcite spheres. It is healed at the reverse and developed as floater.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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