Niccolite \Nic"co*lite\, n. [from NL. niccolum nickel.] (Min.) A mineral of a copper-red color and metallic luster; an arsenide of nickel; -- called also {coppernickel}, {kupfernickel}. [1913 Webster]
Kupfernickel \Kup"fer*nick"el\, n. [G. See {Copper}, and {Nickel}.] (Min.) Copper-nickel; niccolite. See {Niccolite}. [1913 Webster]