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Siderite Psm Calcite & Pyrite

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HCH148927

Siderite Psm Calcite & Pyrite

Pseudomorph

Description Tabs

Description
Locality: 
Turt Mine, Negrești-Oas, Satu Mare County, Romania
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 9.5 × 4.5 cm
Largest Crystal: 
2.00cm
Description

Perimorphoses from siderite after rhomboedric crystals of calcite up to 2 cm large. In Parageneses there are pyrite crystals up to 0,3 cm large.

Mineral Data
What's on the rock

Siderite

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

Calcite

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

Pyrite

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

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