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Goethite Psm Siderite

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SHS184101

Goethite Psm Siderite

ex Collection Dr. Brandt (Northeim/Germany)
Classic Locality

Description Tabs

Description
Locality: 
Wölch, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 5.4 × 3 cm
Description

Nice goethite pseudomorph after siderite

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

Siderite

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