Thaumasite
As recorded:
N'Chwanning Mine, Kuruman, South Africa
16mm x 7mm x 6mm
Double-terminated, transparent yellow Thaumasite crystal. Thaumasite is a rare mineral in the Ettringite group, the best were found at the N'Chwanning. This is an old piece I bought from Clive Queit at the Tucson show about 20 years ago. He had a number of specimen at the time but this was the only double-terminated crystal I've ever seen.
Mineral(s)
ThaumasiteNone listed
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