A very rare, strongly radioactive, triclinic, dark green to almost black
mineral, Cu2+ (UO2 )(OH)4 ; a secondary
mineral found associated with kasolite, sklodowskite, malachite, geothite,
chalcocite, chalcopyrite, and uraninite; also found associated with curite,
uranophane and cobalt wad; from Karungwe, Katanga, Zaire. Also spelled
vandenbrandeite. Crosby; Hey, 1
Source:
Dictionary of Mining, Mineral, and Related Terms