/euh ven"cheuh reen', -rin/ , n.
1. an opaque, brown glass containing fine, gold-colored particles.
2. any of several varieties of minerals, esp. quartz or feldspar, spangled with bright particles of mica, hematite, or other minerals.
Also, aventurin . Also called goldstone .
[ 1805-15; aventure chance (see ADVENTURE) + -ine -INE 2 ; so called because metal particles are introduced into the molten glass pell-mell ( à l'aventure ) ]