Aventerine is a soft stone associated with the Quartz family. It's main color comes in the forms of green but can also be in shades of blue, grey, orange and brown. It is the recognized birthstone for August and zodiac sign Leo, Aries and Libra. This stone is known as the "gamblers" stone because of it's good luck power.It is also known for reducing stress and increasing creativity and leadership abilities. It also is known to help aid in sleep problems. It is a great choice for those that suffer from nightmares, insomnia and depression.
It is physically known to treat lung problems and even nearsightedness. Aventine is not an expensive stone due to it' abundance all over the world.