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Goethite

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GND46240

Goethite

Description Tabs

Description
Locality: 
Iron Princess, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 2.2 × 1.3 cm
Description

An interesting little stalactitic goethite specimen from one of the lesser known mines in this iron producing province. The surface has some curious features that look similar to cracking mud.

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
Gondwana Minerals