- Miniature, 3.3 x 3.1 x 2.3 cm
- Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa
Two crystals of sturmanite isolated on matrix, surrounded by dozens of tiny sturmanite crystals of the same form. The larger of the two crystals measures one centimeter across. Sturmanites are classic from this locality in the Kalahari Manganese Fields. Ex. William Hiss collection.