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Nchwaningite

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SKY655144

Nchwaningite

Type Locality

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Single Crystal
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.2 × 0.2 cm
Description

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

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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