gibbsite

from WordNet (r) 3.0 (2006)
gibbsite
    n 1: white crystalline mineral consisting of aluminum hydroxide;
         a constituent of bauxite and a source of alumina
from The Collaborative International Dictionary of English v.0.48
Gibbsite \Gibbs"ite\, n. [Named after George Gibbs.] (Min.)
   A hydrate of alumina.
   [1913 Webster]
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