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Goethite Psm Magnetite

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SHS65801

Goethite Psm Magnetite

Description Tabs

Description
Locality: 
Zacatecas, Mexico
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.2 × 1.2 cm
Description

Nice brown oktaedron, goethite psm magnetite

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black