Description
A very excellent specimen of the very rare Calcium-Manganese Borate Gaudefroyite from the famous N´Chwaning II Mine in the Kalahari Manganese Fields of South Africa, which has delivered some of the best specimens of this species. This piece comes from the unique and famous find from the 1980s with well-defined crystals and excellent multi-surface terminations. The luster is exceptionally good and the color is a dark brown with reddish interior reflections. Extremely rare and also top-aesthetic material.