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Chalcopyrite & Arsenopyrite

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SHS866334

Chalcopyrite & Arsenopyrite

Description Tabs

Description
Locality: 
Väster Silvberg, Smedjebacken, Dalarna County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.5 × 3.6 cm
Description

Chalcopyrite and arsenopyrite and pyrrhotine in matrix

Mineral Data
What's on the rock

Chalcopyrite

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

Arsenopyrite

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