20hhgd.is ((OLMIITE, BULTFONTEINITE, HAUSMANNITE)), $15 MINIMUM BID, N'Chwaning II Mine, Kuruman, KMF, South Africa, 3 x 1.5 x 1.5 cm, Thumbnail | |
Tan crystals of Olmiite on a matrix of black Hausmannite with white acicular crystals of Bultfonteinite. ex Glenn Davidson collection |