cerargyrite

1 definition found

cerargyrite - Collaborative International Dictionary of English v.0.48 :

  Cerargyrite \Ce*rar"gy*rite\ (s[-e]*r[aum]r"j[y^]*r[imac]t), n.
     [Gr. ke`ras horn + 'a`rgyros silver.] (Min.)
     Native silver chloride, a mineral of a white to pale yellow
     or gray color, darkening on exposure to the light. It may be
     cut by a knife, like lead or horn (hence called horn silver
     ).
     [1913 Webster]