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Nchwaningite

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SKY210153

Nchwaningite

Classic locality
Rare Mineral

Description Tabs

Description
Locality: 
Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.5 × 0.4 cm
Description

Nchwaningite is an extremely rare manganese silicate mineral only known from two localities in Kalahari, worldwide. It occurs as brown acicular aggregates.

Mineral Data
What's on the rock

Nchwaningite

Formula: 
Mn2+2(SiO3)(OH)2·H2O
Strunz: 
9.DB.30
Crystal System: 
Orthorhombic
Hardness: 
5.5
Streak: 
White
Type Locality: 
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa...

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