N'Chwaning II Mine, section 5 south, stope 46-47 roof, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province South Africa (01/2002)
Specimen size: 2.5 × 2 × 1.4 cm = 0.98” × 0.79” × 0.55” Main crystal size: 1.2 × 0.8 cm = 0.47” × 0.31”