| 20hhgd.is ((ETTRINGITE, GYPSUM variety SELENITE)), $80 MINIMUM BID, N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa, 5 x 4 x 2 cm, Miniature | |
_small.jpg) | Mindat's photo of the day was one of these on Feb 20, 1917 which was when Glen was assembling his collection. It is the only specimen with Ettringite out of 4 Selenite specimens show from NChwaning. They must be at the least very uncommon and limited. ex Glen Davidson collection. |
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