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Olmiite

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QRI683420

Olmiite

Classic Locality

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.7 × 1.3 cm
Description

Lustrous crystal group of olmiite perched on top of very small matrix. Partially transparent, this pretty cauliflower comes in excellent conditions.

Quite good and representative for the specie, it comes in a Perky box.

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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Shipping within 15 days after payment received, unless specified/agreed otherwise.

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