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: 4.4 × 3.8 × 1.8 cm = 1.73” × 1.50” × 0.71”
Main crystal size: 1.2 × 0.7 cm = 0.47” × 0.28”