Aventurine

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Aventurine \A*ven"tu*rine\, n. [F. aventurine: cf. It.
     avventurino.]
     1. A kind of glass, containing gold-colored spangles. It was
        produced in the first place by the accidental (par
        aventure) dropping of some brass filings into a pot of
        melted glass.


        [1913 Webster]
  
     2. (Min.) A variety of translucent quartz, spangled
        throughout with scales of yellow mica.
        [1913 Webster]
  
     {Aventurine feldspar}, a variety of oligoclase with internal
        firelike reflections due to the presence of minute
        crystals, probably of hematite; sunstone.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  aventurine
       n : a translucent quartz spangled with bits of mica or other
           minerals [syn: {sunstone}]