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Arsenopyrite Quartz & Calcite

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MGR773635

Arsenopyrite Quartz & Calcite

Description Tabs

Description
Locality: 
Trepča, Mitrovica District, Kosovo
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 4.8 × 3.4 cm
Description

Arsenopyrite is relatively rare fro Trepca - and this one is really in finest quality. Teh arsenopyrite developed razor sharp crystals with mirror-like luster. The combination with snowy white calciet ( which is also very glossy) and free-standing milky quartz crystals looks very attractive in several positions. Hard to photograph and even better in person.

Mineral Data
What's on the rock

Arsenopyrite

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

Quartz

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

Calcite

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