Pyrophyllite

2 definitions found

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

  Pyrophyllite \Py*roph"yl*lite\, n. [Pyro- + Gr. ? leaf.] (Min.)
     A mineral, usually of a white or greenish color and pearly
     luster, consisting chiefly of the hydrous silicate of
     alumina.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  pyrophyllite
       n : a white or greenish aluminum silicate mineral (resembles
           talc)