Green Aventurine Crystal Healing Stone Luck Chance Heart Chakra Wicca Reiki Creative Perception You should never buy a lottery ticket without an aventurine in your left pocket. Lady Luck will be in your left pocket. This is the stone of opportunity. Aventurine is known as the stone of chance or luck. If you gamble or play the lotto, keep this stone in your left pocket. Aventurine is mainly quartz, a quartzite, usually containing mica. It occurs in several colors including green, red and blue. Green Aventurine is the stone of luck and chance. It is said to increase perception and creative insight. It is a heart chakra stone. I will pick out ONE of these beautiful stones for you. All crystals are cleaned before leaving on their journey to their new homes. Once you get them home, run them under cool water and set them in either sunlight or a full moon to charge them shipment charges is 2 USD additional free no matter any number.