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Pyrrhotite Siderite & Sphalerite

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CLD109902

Pyrrhotite Siderite & Sphalerite

Description Tabs

Description
Locality: 
Herja Mine, Chiuzbaia, Baia Mare, Maramureș County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
16 × 12 × 8 cm
Description

Brownish-black, lamellar pyrrhotite, with minute siderite crystals on a matrix of black sphalerite. From an old romanian collection from the end of '80.

Mineral Data
What's on the rock

Pyrrhotite

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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0

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