Aventurine is a form of quartz, characterised by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening effect termed aventurescence. The most common colour of aventurine is green, but it may also be orange, brown, yellow, blue, or grey. Explore Art By God’s collection of Aventurine at affordable prices in a variety of colors and sizes. Gorgeous Aventurine for sale. Aventurine Bookends, Aventurine Rock, Aventurine Point, Aventurine Egg, Aventurine Specimen, Polished Aventurine.