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Goethite

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WND531842

Goethite

Description Tabs

Description
Locality: 
Eisenzecher Zug Mine, Eiserfeld, Siegen, Arnsberg, North Rhine - Westphalia, Germany
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.6 × 1.4 × 0.9 cm
Description

A nice brown goethite stalactite with a velvety surface, 7.6 cm high, from the iron mine in Siegerland, Germany, a nice example of a secondary iron minerals growing in the old mine galleries.

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
Wendel Minerals

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