Stibnite

2 definitions found

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

  Stibnite \Stib"nite\, n. (Min.)
     A mineral of a lead-gray color and brilliant metallic luster,
     occurring in prismatic crystals; sulphide of antimony; --
     called also {antimony glance}, and {gray antimony}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  stibnite
       n : a soft gray mineral; the chief ore of antimony