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Boulangerite Arsenopyrite Manganoan Calcite & Quartz

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SLN572611

Boulangerite Arsenopyrite Manganoan Calcite & Quartz

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
4.4 × 9.5 × 5.7 cm
Weight: 
232.00gr
Description

Interesting specimen from Trepca with an aesthetic association of boulangerite in a myriad of steel grey acicular prismatic crystals, arsenopyrite in small crystals of excellent brightness, manganoan calcite in rombohedral crystals of a delicate creamy pink color and quartz

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

Arsenopyrite

Formula: 
FeAsS
Strunz: 
2.EB.20
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

Manganoan Calcite

Variety Of: 

Calcite

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

Quartz

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

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