Bultfonteinite with Hydroxyapophyllite-(K) and Calcite

N'Chwaning II Mine, N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province  South Africa (2006)

Specimen size: 4.2 × 3.7 × 2.1 cm = 1.65” × 1.46” × 0.83”
Main crystal size: 0.9 × 0.9 cm = 0.35” × 0.35”