What does "millerite" mean?

Millerite: 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.

Additional senses

  1. 2.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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