Hauynite

1 definition found

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

  Hauynite \Ha"["u]y*nite\ ([aum]"w[-e]*n[imac]t), n. [From the
     French mineralogist Ha["u]y.] (Min.)
     A blue isometric mineral, characteristic of some volcanic
     rocks. It is a silicate of alumina, lime, and soda, with
     sulphate of lime.
     [1913 Webster]