Bultfonteinite, Olmiite on Matrix, N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.

The specimen is from one of the original finds first thought to be poldervaartite. The crystals are a light mud brown colour with an ok lustre. Some of the olmiite are also doubly terminated and reach up to 1.5cm. In between the olmiite are small acicular tufts of white bultfonteinite.

Size: 3.6 x 2.8 x 2.2cm

Locality: N'Chwaning II Mine, Kalahari Manganese Field, Northern Cape, South Africa.