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Thaumasite

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ESM728322

Thaumasite

Description Tabs

Description
Locality: 
NChwaning Mines, Kuruman, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
0.7 × 0.7 × 1 cm
Description

A cluster of transparent hexagonal thaumasite crystals

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