Aventurine’s scientific name is sand stone, is also in crystal family.. Its inclusions usually include micro crystalloids, pyrite and so on. Therefore, usually there are transparent points or reflective points on the surface. Green Aventurine can help you relax physically and mentally, broaden horizons and adjust to the new environment and new projects successfully. Aventurine is also lucky birthstone of May. There are two kinds of Aventurines, green and red, mostly opaque, occasionally some bit translucent, hardness similar with crystal.