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Goethite Var Glaskopf

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RHT214271

Goethite Var Glaskopf

ex collection Walter Wittig
Classic Locality

Description Tabs

Description
Locality: 
Maffei Mine, Nitzlbuch, Auerbach in der Oberpfalz, Upper Palatinate, Bavaria, Germany
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5.9 × 3.5 cm
Weight: 
286.00gr
Description

A brown 'glaskopf' (German for 'kidney ore') from a famous Bavarian locality.

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

Glaskopf

Variety Of: 

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Hardness: 
5.0 - 5.5
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