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Bultfonteinite

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CR509766

Bultfonteinite

Rare Mineral

Description Tabs

Description
Locality: 
Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.4 × 4.8 × 4.2 cm
Description

A combination piece of the rare bultfonteinite, complemented by the pale brown poldervaartite crystals beneath them.  

The bultfonteinite is in its classic habit of sharp, delicate sprays with very high luster.  

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