Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Bultfonteinite With Olmiite

Views:
Watches:
FNW40236

Bultfonteinite With Olmiite

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 6 × 2.2 cm
Description

White bultfonteinite needle-bundles with creme coloured prisms of olmiite.

This is the type locality for olmiite.

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...
Fine Minerals World