Aventurine is a form of quartz characterised by its translucency and the presence of platy mineral inclusions that give a shimmering or glistening affect termed aventurescence . The most common colour of Aventurine is green but it may also be orange brown yellow blue or grey. Please Note: Natural gemstone or semi precious stone comes from mineral. Due to the naturality, the stones may have tiny flaw. Meanwhile, cutting or polishing also makes every piece of gemstone vary in colour and size. Image may look different (colour) due to many monitor or device resolutions.