Brochantite

1 definition found

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

  Brochantite \Broch"an*tite\, n. [From Brochant de Villiers, a
     French mineralogist.] (Min.)
     A basic sulphate of copper, occurring in emerald-green
     crystals.
     [1913 Webster]