1" - 1 3/4" Tumbled Stone. Aventurine is a stone of prosperity. It reinforces leadership qualities and decisiveness. Promotes compassion and empathy. Encourages perseverance. Green Aventurine releases old patterns, habits and disappointments so new growth can take place. It brings optimism and a zest for life. It enhances one's creativity and motivation, and encourages perseverance in maneuvering life's obstacles