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Goethite & Manganite

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SLN566183

Goethite & Manganite

Description Tabs

Description
Locality: 
Tizi-n-Tichka, Ouarzazate Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.5 × 8.9 × 5.7 cm
Weight: 
152.00gr
Description

Nice specimen from Morocco with a myriad of acicular goethite crystals of excellent brightness in nodule of crystallized manganite

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

Manganite

Formula: 
Mn3+O(OH)
Strunz: 
4.FD.15
Hardness: 
4.0
Type Locality: 
Manganese deposit, Ilfeld, Nordhausen, Harz, Thuringia, Germany

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