Calcite with Mangoancalcite (Kalahari Manganese Fields, South Africa)
N'Chwaning 2 Mine, Kalahari Manganese Fields, South Africa. 40mm x 25mm x 30mm.
Amongst the calcites (Light brown) one finds these cubes of Mangoancalcite. At the time this pocket was offered to the market these where extremely polular, we have seen very few of them since then. This specific specimen if from a recently acquired collection that consisted mainly of Kalahari Minerals.