sunstone

from WordNet (r) 3.0 (2006)
sunstone
    n 1: a translucent quartz spangled with bits of mica or other
         minerals [syn: {sunstone}, {aventurine}]
    
from The Collaborative International Dictionary of English v.0.48
Sunstone \Sun"stone`\, n. (Med.)
   Aventurine feldspar. See under {Aventurine}.
   [1913 Webster]
    

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