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A nickel ore, essentially nickel arsenide, NiAs, found in America and Europe.
[New Latin niccolum, nickel (perhaps from Swedish nickel; see nickel) + -ite.]
(Minerals) a copper-coloured mineral consisting of nickel arsenide in hexagonal crystalline form, occurring associated with copper and silver ores: a source of nickel. Formula: NiAs. Also called: nickeline
[C19: from New Latin niccolum nickel + -ite1]
a copper-red metallic mineral, nickel arsenide, NiAs.
[1865–70; < New Latin niccol(um) nickel + -ite1]