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Calcite & Quartz & Pyrite

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ESM769597

Calcite & Quartz & Pyrite

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 8 × 4 cm
Description

A blocky calcite crystal covered with two generations of calcite and clear quartz crystals 

Mineral Data
What's on the rock

Calcite

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

Quartz

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

Pyrite

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