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Chalcopyrite Covellite & Pyrrhotite

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ESM781552

Chalcopyrite Covellite & Pyrrhotite

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 5 × 5 cm
Description

Iridescent covellite on chalcopyrite crystals with clusters of pyrrhotite blades

Mineral Data
What's on the rock

Chalcopyrite

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

Covellite

Formula: 
CuS
Strunz: 
2.CA.05a
Crystal System: 
Hexagonal
Hardness: 
1.5 - 2.0
Type Locality: 
Mt Vesuvius, Somma-Vesuvius Complex, Naples Province, Campania, Italy

Pyrrhotite

Formula: 
Fe1-xS (x = 0 to 0.17)
Strunz: 
2.CC.10
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0