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Pyrite Psm Pyrrhotite & Siderite

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Pyrite Psm Pyrrhotite & Siderite

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10 × 6 × 4 cm
Description

Pyrite pseudomorph after pyrrhotite with translucent brown siderite crystals on a sphalerite-galena matrix

Mineral Data
What's on the rock

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

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