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Cobaltite & Chalcopyrite

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ESM944785

Cobaltite & Chalcopyrite

Description Tabs

Description
Locality: 
Tunaberg, Nyköping, Södermanland County, Sweden
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2 × 1 cm
Description

Lustrous silvery cobaltite crystals on chalcopyrite

Mineral Data
What's on the rock

Cobaltite

Formula: 
CoAsS
Strunz: 
2.EB.25
Crystal System: 
Orthorhombic - Pyramidal
Hardness: 
5.5

Chalcopyrite

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