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Tetrahedrite Chalcopyrite & Calcite

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KFT75453

Tetrahedrite Chalcopyrite & Calcite

Description Tabs

Description
Locality: 
Cavnic Mine, Maramureș County, Romania
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.5 × 2 cm
Description

Beautiful combination of iridescent chalcopyrite, silber tetrahedrite and white calcite.

Mineral Data
What's on the rock

Tetrahedrite

Formula: 
Cu6[Cu4(Fe,Zn)2]Sb4S13
Strunz: 
2.GB.05
Hardness: 
3.5 - 4.0

Chalcopyrite

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

Calcite

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