Uranium deposit, worked from an open cast. Located 20 km N of Lumbumbashi.
Ref.: Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1048.
Lapis (1992): 17(3), 13-40.