The Collaborative International Dictionary of English v.0.48:

Chabasite \Chab"a*site\ (k[a^]b"[.a]*s[imac]t), Cabazite
\Cab"a*zite\ (k[a^]b"[.a]*z[imac]t), n. [Gr. chabazi`os one of
   twenty species of stones mentioned in the poem Peri` li`qwn,
   ascribed to Orpheus.] (Min.)
   A mineral occuring in glassy rhombohedral crystals, varying
   in color from white to yellow or red. It is essentially a
   hydrous silicate of alumina and lime. Called also chabasie.
   [1913 Webster]

WordNet (r) 3.0 (2006):

chabasite
    n 1: a group of minerals of the zeolite family consisting of a
         hydrous silicate of calcium and aluminum [syn: chabazite,
         chabasite]