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Manganite

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Manganite

Description Tabs

Description
Locality: 
Penrice Quarry, Angaston, Barossa Valley, Mount Lofty Ranges, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 3.5 × 3.5 cm
Description

Not the most colourful of species, but this is quite a good one for the locality. This is an active quarry and this specimen was obtained a couple of years ago. It features black micro-crystals of manganite occupying vughs in a dark matrix.

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
Gondwana Minerals