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Boulangerite & Calcite

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ESM537118

Boulangerite & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.7 × 4.5 cm
Description

Fibrous grey metallic boulangerite needles on white calcite rhombs and grey botryoidal calcite aggregates

 

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