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: 4.7 × 3.4 × 2.7 cm = 1.85” × 1.34” × 1.06”
Main crystal size: 1.4 × 1.4 cm = 0.55” × 0.55”