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Thaumasite

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RSL569426

Thaumasite

Gem Crystal

Description Tabs

Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.5 × 0.5 cm
Description

A superb and gemmy thaumasite crystal of this rare species, with transparence, brilliance and very sharp. Collected in 1987... Very rare in the market.

Collected: 
1987
Mineral Data
What's on the rock

Thaumasite

Formula: 
Ca3(SO4)[Si(OH)6](CO3)·12H2O
Strunz: 
7.DG.15
Hardness: 
3.5
Streak: 
White
Type Locality: 
Bjelke Mines, Åreskutan, Åre, Jämtland, Sweden