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Sphalerite & Calcite & Chalcopyrite On Quartz

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TCT126306

Sphalerite & Calcite & Chalcopyrite On Quartz

Classic Locality

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Mitrovica District, Kosovo
Size Range: 
Miniature (4.5-7 cm)
Size: 
4 × 6 × 3.5 cm
Largest Crystal: 
1.60cm
Description

Fine specimen from Trepca. A sphalerite mass is covered with tiny sprays of sharply terminated quartz crystals on which some larger sphalerite crystals are located. The sphalerite is associated with some chalcopyrite and calcite crystals. The specimen was verry difficult to photograph due to the large differences in color contrast. Unlike you would expect, the quartz crystals have only very minor damage and are in fine condition and the large sphalerite is pristine with a complex crystalisation structure and some protruding quartz crystals. A lot to discover on this one.

Mineral Data
What's on the rock

Sphalerite

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

Calcite

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

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Quartz

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

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