[mass noun]brownish glass containing sparkling particles of copper or gold 金星玻璃 [as modifier]aventurine glass. 金星玻璃。 ■a translucent mineral containing small reflective particles, especially quartz containing mica or iron compounds, or feldspar containing haematite 砂金石
语源
early 18th cent.: from French, from Italian avventurino, from avventura 'chance' (because of its accidental discovery)