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: 2 × 2 × 1.9 cm = 0.79” × 0.79” × 0.75”
Main crystal size: 1.7 × 1.5 cm = 0.67” × 0.59”