Gaudefroyite

Gaudefroyite, N'Chwaning Mine, Northern Cape Mn Fields, RSA

A beautiful and classic N'Chwaning specimen featuring a jet black microcrystal of the rare manganese borate species Gaudefroyite, with textbook hexagonal habit, striated faces as if inscribed by a laser, knife-like edges, and exquisite termination. 

Dimensions: 8 x 5 x 5 mm.