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ral of a steel-gray color and metallic luster, containing antimony, arsenic, sulphur, and nickel.

nd in certain rare minerals, as pitchblende, uranite, etc., and reduced as a heavy, hard, nickel-white metal which is quite permanent. Its yellow oxide is used to impart to glass a delicate greenish-yellow tint which is accompanied by a strong fluorescence, and its black oxide is used as a pigment in porcelain painting…

pposed element, afterward found to be a mixture of several metals, as copper, iron, lead, nickel, etc.

A hydrous carbonate of nickel occurring as an emerald-green incrustation on chromite; -- called also emerald nickel.