Green Aventurine is also known as the â€œstone of opportunitiesâ€. The Green Aventurine 300 Chips Tree is available at Crystal Export at a reasonable price. The emerald green crystals are held tightly with the golden coated wire and the base of the tree is finely covered with the green crystals. It is believed that green aventurine creates a positive atmosphere and is beneficial to be placed in homes and offices. The size ranges from 7-12inch.