Olmiite with Quartz

N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (10/2008)

Specimen size: 4.8 × 4.7 × 3.3 cm = 1.89” × 1.85” × 1.30”
Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”