aventurine

• POS: Noun
• HYPHEN: a=ven=tu=rine

CIDE DICTIONARY

aventurine, n. [F. aventurine: cf. It. avventurino.].

•  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]
•  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.

OXFORD DICTIONARY

aventurine, n. Mineral.
1 brownish glass or mineral containing sparkling gold-coloured particles usu. of copper or gold.
2 a variety of spangled quartz resembling this.

Etymology

F f. It. avventurino f. avventura chance (because of its accidental discovery)