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Thaumasite$750.00
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A superb, gemmy colourless prismatic Thaumasite, from the N'Chwaning mines in South Africa. Thaumasite is a rare and complex calcium silicate which includes a carbonate component and sometimes a sulphite. This 2.6 x 2.2 x 1.5 cm cluster of crystals, although colourless, does contain a hint of yellowish-green and is attached to a thin patchy crust of chocolate brown siliceous matrix. About eight Thaumasite crystals make up this large thumbnail, the largest by far being 1.8 x 1.0 x 0.8 cm. All the crystals are transparent and contain many gemmy zones plus patches of iridescent interference colours within the prism bodies. This is a well crystallised specimen of Thaumasite from the N'Chwaning mines within the Kalahari Manganese Field.
Product details
Species
SizeMiniature
Dimensions2.2 x 2.6 x 1.5 cm
Locality
SKUCC20439
Listed on10/24/2024
Comments
Known provenance
Species and Locality Wiki Pages
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