millerite

Mil"ler*ite, n. Defn: A believer in the doctrine of William Miller (d. 1849), who taught that the end of the world and the second coming of Christ were at hand. Mil"ler*ite, n. Etym: [From W. H. Miller, of Cambridge, Eng.] (Min.) Defn: A sulphide of nickel, commonly occurring in delicate capillary crystals, also in incrustations of a bronze yellow; -- sometimes called hair pyrites.

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