A triclinic mineral, Cu(UO2 )(OH)4 ; radioactive; dark
green to black; secondary; associated with kasolite, sklodowskite, malachite,
goethite, chalcocite, chalcopyrite, uraninite, curite, uranophane, and cobalt
wad; occurs at Karungwe, Katanga, Republic of the Congo. Also spelled
vandenbrandite.
Source:
Dictionary of Mining, Mineral, and Related Terms