Apatite

2 definitions found

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

  Apatite \Ap"a*tite\, n. [Gr. ? deceit, fr. ? to deceive; it
     having been often mistaken for other minerals.] (Min.)
     Native phosphate of lime, occurring usually in six-sided
     prisms, color often pale green, transparent or translucent.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  apatite
       n : a common complex mineral consisting of calcium fluoride
           phosphate or calcium chloride phosphate; a source of
           phosphorus