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Goethite Psm Pyrite

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PDM806209

Goethite Psm Pyrite

Pseudomorph

Description Tabs

Description
Locality: 
Erwitte, Soest, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.3 × 4.6 × 4.1 cm
Description

Floater aggregate of interpenetrated octahedral crystals of pyrite replaced by goethite.

Collected by Manfred Fabig.

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

Pyrite

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

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