Jamesonite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Jamesonite \Ja"me*son*ite\, n. [From Prof. Jameson, of
     Edinburgh.] (Min.)
     A steel-gray mineral, of metallic luster, commonly fibrous
     massive. It is a sulphide of antimony and lead, with a little
     iron.
     [1913 Webster]