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0 item @ $0.00  

Thaumasite

#PD33928

Thaumasite

#PD33928
Availability
Sold
Size
1.5 x 1.5 x 1 cm - Thumbnail 
Formula
Ca3Si(OH)6(SO4)(CO3)·12H2O (RRUFF)
Locality
N'Chwaning II mine, Kalahari Mn fields, Northern Cape Province, South Africa

Cluster of pale translucent-yellow columnar Thaumasite crystals to 6mm with light striations and hexagonal terminations.

Thaumasite

Formula
Ca3Si(OH)6(SO4)(CO3)·12H2
Crystal System
Hexagonal 
Crystal Habit
Radial, Massive - Fibrous, Fibrous 
Cleavage
Poor, None, None 
Luster
Vitreous - Silky 
Color
colorless, white 
Streak
white 
Class
Hexagonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection

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