'Miargyrite' definitions:

Definition of 'Miargyrite'

From: GCIDE
  • Miargyrite \Mi*ar"gy*rite\, n. [Gr. ? less + ? silver. So called because it contains less silver than some kindred ore.] (Min.) A mineral of an iron-black color, and very sectile, consisting principally of sulphur, antimony, and silver. [1913 Webster]