Aventurine is said to calm the mind, reduce stress, and relieve anxiety and fear. It is believed to enhance leadership and decision-making, increase self-confidence, foster creativity, and bring about prosperity. It is even said to bring gamblers good luck. Aventurine is one of the birthstones for the month of August, and it is associated with the Zodiac signs of Aries, Leo, Libra, and Taurus. It is given as a gift for the 8th wedding anniversary.