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Olmiite

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CR19316

Olmiite

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Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 6 × 3.2 cm
Description

This specimen consists of spherical crystalline masses of olmiite to 3.4 cm across. The new species called Olmiite was officially described this past April and is found at the N'Chwaning II mine in South Africa.

Beautiful specimen !

Mineral Data
What's on the rock

Olmiite

Formula: 
CaMn2+[SiO3(OH)](OH)
Strunz: 
9.AF.90
Hardness: 
5.0 - 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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