Chakra : Heart.

Friendship, creativity, and imagination, as well as intellect and mental clarity. It enhances prosperity and brings career success. It helps one to see alternatives and potentials in all situations, giving a positive outlook, courage and inner strength. 

It is also said to bring luck, especially in games of chance. Green aventurine is also a mystical stone of prosperity. Aventurine bring friendship to one's life. It is also a stone of protection energies.

It is also beneficial for blood, circulatory system, balancing blood pressure, sinus problems, nausea, headaches, general health, allergies, eczema, fever, and sleep disorders.