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Bultfonteinite On Olmiite

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LBB96607

Bultfonteinite On Olmiite

Fluorescent

Description Tabs

Description
Locality: 
Hotazel, Kalahari, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3 cm
Description

This is a cluster with sprays of bultfontinite crystals sitting on olmiite crystals. The cluster fluoresces in dark red. It weights 108 gr.

Mineral Data
What's on the rock

Bultfonteinite

Formula: 
Ca2(HSiO4)F·H2O
Strunz: 
9.AG.80
Hardness: 
4.5
Streak: 
white
Type Locality: 
Bultfontein, Lejweleputswa District, Free State Province, South Africa

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...
Lennart Borg

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