1836 T. Thomson I. 523 The species of nickel ores hitherto observed, amount only to eight.
1899 13 June 4/4 They ask that Canada shall not impose a duty on nickel ore or nickel matte.
1999 (Version 99.1) at New Caledonia The weathering of serpentine rock provides the territory [sc. New Caledonia] with 20 percent of the world's known reserves of nickel ore.