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Goethite

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TBM1002928

Goethite

New Discovery

Description Tabs

Description
Locality: 
Bou Thrafine, Errachidia, Drâa-Tafilalet Region, Morocco
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2 × 1.5 cm
Weight: 
13.00gr
Description

Goethite psm fossil  erfoudites rherisensis. This  fossil is a very rare Devonian goniatites of   low Famennian, Achguig FMT.

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