N'Chwaning II Mine, level 45 south, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (13-15/08/2009)
Specimen size: 2.9 × 1.6 × 2.1 cm = 1.14” × 0.63” × 0.83” Main crystal size: 1.8 × 1.5 cm = 0.71” × 0.59”