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Goethite

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NST727245

Goethite

Description Tabs

Description
Locality: 
Huth Mine, Hamm, Altenkirchen, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
11.5 × 8 × 5.5 cm
Description

An attractive display specimen of greyish-black, botryoidal Goethite showing a metallic lustre.

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