Source : Webster's Revised Unabridged Dictionary (1913)

Albite \Al"bite\, n. [L. albus white.] (Min.)
   A mineral of the feldspar family, triclinic in
   crystallization, and in composition a silicate of alumina and
   soda. It is a common constituent of granite and of various
   igneous rocks. See {Feldspar}.

Source : WordNet®

albite
     n : a widely distributed rock-forming feldspar [syn: {white
         feldspar}]