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Thaumasite


Thaumasite : Ca3[CO3|SO4|Si(OH)6] · 12H2O

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: N'Chwaning Mines, Kalahari manganese fields, Northern Cape Province, South Africa
A terminated gem crystal of this rare cousin of ettringite, seen in its best crystals at the N''Chwaning. Small, yes, but that is just how they are. Still, the quality of this crystal is superb. 1.2 x 0.5 x 0.5cm

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