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Siderite With Pyrrhotite

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CLB53392

Siderite With Pyrrhotite

Classic Locality

Description Tabs

Description
Locality: 
Morro Velho Mine, Nova Lima, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.6 × 5.7 × 3.8 cm
Largest Crystal: 
1.60cm
Description

A combination specimen of pyrrhotite on greenish-brown siderite crystals.

Mineral Data
What's on the rock

Siderite

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

Pyrrhotite

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

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