Gemstone Aventurine crystals: This beautiful green aventurine natural gemstone tree size approx. 10-12 inches in height(when open up the leaves of the tree). Green aventurine crystal releases old patterns, habits, and disappointments so new growth can take place. Crystal tree brings optimism and a zest for life and allows us to move forward with confidence and embrace change. Green aventurine gem tree: Green aventurine crystal quartz tree works on your heart & solar plexus chakra to attract and retain unconditional love and infinite wealth in your life. This stone of prosperity can unlock success and abundance for anyone. Aventurine crystal is also known as stone of opportunity.