pollucite

from WordNet (r) 3.0 (2006)
pollucite
    n 1: a rare mineral that is an important source of cesium
from The Collaborative International Dictionary of English v.0.48
Pollucite \Pol"lu*cite\, n. [See {Pollux}, and 4th {Castor}.]
   (Min.)
   A colorless transparent mineral, resembling quartz, occurring
   with castor or castorite on the island of Elba. It is a
   silicate of alumina and c[ae]sia. Called also {pollux}.
   [1913 Webster]
antiflux / dictionary / pollucite
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