Locality: Gloucester Mine, Gloucester Farm, Postmasburg manganese field, Northern Cape, South Africa
Size: 70 mm x 54 mm x 38 mm (2.8 in. x 2.1 in. x 1.5 in.)
Weight: 149 g (5.2 oz.)
Reddish brown diaspore on matrix. Some of the crystals are prismatic, and others scaly with a pearly luster. They range from translucent to opaque. Rare for the locality.