20hhgd.r ((OLMIITE, CALCITE)), $10 MINIMUM BID, N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa, 3 x 2 x 2 cm, Miniature | |
Light pinkish orange Olmiite with associated ICalcite, ex Glenn Davidson collection. |