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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. Aventurine (unknown scale)The most common colour of aventurine is green, but it may also be orange, brown, yellow, blue, or gray. Chrome-bearing fuchsite (a variety of muscovite mica) is the classic inclusion, and gives a silvery green or blue sheen. Oranges and browns are attributed to hematite or goethite. (source: Wikipedia) Photo by Michael Marcotte Public domain photo below Return to List Back to Michael's Hobbies page Back to Michael Marcotte's HomePage