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: 4.2 × 2.6 × 3 cm = 1.65” × 1.02” × 1.18”
Main crystal size: 0.8 × 0.6 cm = 0.31” × 0.24”