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Smoky Quartz & Calcite

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KFT94164

Smoky Quartz & Calcite

Description Tabs

Description
Locality: 
Stan Terg Mine, Trepča, Kosovska Mitrovica, Kosovo
Size Range: 
Museum (18cm plus)
Size: 
18.1 × 5 × 4.5 cm
Largest Crystal: 
18.00cm
Description

I have never seen before such a quartz from trepca; 2 sides of the quartz are clear the rest is covered with calcite crystals; the colour of the quartz is grey under tungsten light a little bit yellow.

Very good quality and special largeness!! Ex-collection Rosenkranz, Solingen, Germany

Mineral Data
What's on the rock

Smoky Quartz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0

Calcite

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