Olmiite, Oyelite, Calcite
N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa
Miniature, 4.2 x 2.3 x 1.8 cm
A sharp, symmetric, lustrous crystal measuring 1.5 x 1.5 x 0.8 cm on matrix, with associated oyelite and calcite. This is from a small pocket collected by Paul Balayer with permission in the mines, in late 2009.