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Pyrrhotite Sphalerite Galena & Calcite

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MGR781735

Pyrrhotite Sphalerite Galena & Calcite

Description Tabs

Description
Locality: 
Trepča, Kosovska Mitrovica, Kosovo
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12.3 × 7.1 × 6.5 cm
Description

The specimen is much more tri-dimensional and much better in person! There is one free-standing large assemble of pyrrhotite, partly covered with light grey calcite spheres. The matrix consists of several other pyrrhotite crystals, which are assoziated with lustrous galena, sparkling jet-black sphalerite and more of this light grey calcite spheres.

Mineral Data
What's on the rock

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

Galena

Formula: 
PbS
Strunz: 
2.CD.10
Crystal System: 
Isometric
Hardness: 
2.5
Colour: 
Lead-grey
Streak: 
Lead-grey

Calcite

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