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Boulangerite & Calcite & Quartz

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MBM1105103

Boulangerite & Calcite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.5 × 8 × 5 cm
Description

Beautiful 429g heavy Boulangerite up to 5mm associated with  Calcite up to 6mm and Quartz up to 6mm from Trepča in the Kosovo

Mineral Data
What's on the rock

Boulangerite

Formula: 
Pb5Sb4S11
Strunz: 
2.HC.15
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Colour: 
Lead grey
Streak: 
Brownish
Type Locality: 
Molières, Gard, Languedoc-Roussillon, France

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