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Boulangerite & Quartz On Manganoan Calcite

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SLN739656

Boulangerite & Quartz On Manganoan Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.7 × 6.6 × 4.4 cm
Weight: 
64.00gr
Description

Nice and interesting specimen from Trepca with a myriad of steel grey acicular prismatic boulangerite crystals in association with quartz on manganoan calcite in ballsof a delicate pink color

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

Quartz

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

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0

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