aventurine

  1. Noun.  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.
  2. Noun.  (mineralogy) A variety of translucent quartz, spangled throughout with scales of yellow mica.

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This entry was last updated on RefTopia from its source on 3/20/2012.