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: 9.7 × 3.7 × 3.4 cm = 3.82” × 1.46” × 1.34”
Main crystal size: 1.2 × 1 cm = 0.47” × 0.39”