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Manganite

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PDM769479

Manganite

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Description
Locality: 
Taourirt, Taourirt Province, Oriental Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.2 × 6.5 × 5 cm
Description

Aggregate of divergent acicular crystals of manganite to 50mm with good black lustrous colour. They are filling cracks with white baryte in a highly silicified rock. The specimen has been analysed by RAMAN and the analyses will be given to the buyer.

Self-collected in August 27th/2015 near Taourirt (East Morocco) in a prospection trip. The last picture is of a similar specimen at the moment it was taken at the locality.

Mineral Data
What's on the rock

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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