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: 3.5 × 3.3 × 2 cm = 1.38” × 1.30” × 0.79”
Main crystal size: 1.2 × 1.1 cm = 0.47” × 0.43”