20hhgd.is ((OLMIITE)), $20 MINIMUM BID, N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape, South Africa, 2 x 1.5 x 1.5 cm, Thumbnail | |
Great lustrous spherical clusters of undamaged Olmiite crystals stacked in a thumbnail box. Shows on all sides. ex Glenn Davidson collection. ex Astro Gallery specimen. |