I. əˈvenchəˌrēn, -_rə̇n noun
also avan·tu·rine əˈvän-
( -s )
Etymology: French aventurine, from aventure chance; from its chance discovery — more at adventure
1. : glass containing opaque sparkling particles of foreign material, usually (1) copper or (2) chromic oxide — called also respectively (1) gold aventurine or (2) chrome aventurine, green aventurine
2. : a translucent quartz spangled throughout with scales of mica or other mineral
II. adjective
also avanturine “
: having the brilliant spangled appearance of aventurine