Aventurine: is a translucent to opaque variety of Quartz that measures a hardness of 6.5 on the Moh's scale. It derives its name from the Italian term "a ventura," which means "by chance". Aventurine ranges in color from green, peach, brown, blue and a creamy green. Deposits are found in Chile, Spain, Russia, Brazil, Austria, and Tanzania.Green is the star sign for Libra and the planetary stone of Taurus. Legends say that it is an all-purpose healer, used to reduce stress, develop confidence, imagination and improve prosperity. A story from ancient Tibet says that Aventurine was used to improve near-sightedness and to increase the wearer's creativity. Many believe that Aventurine has the capacity to calm a troubled spirit and bring about inner peace. Peach is said to help with decision making and boosts creativity. Red is said to enhance creativity and the ability to see possibilities. Believed to bring prosperity and lessen negativity.