Aventurine is a silicon dioxide mineral with a hexagonal structure, characterized by mineral inclusions of platey mica. The mica inclusions give it a shimmering optical reflectance known as aventurescence. Aventurine comes in green, blue, orange, pink, red, brown, yellow and gray. The price of the stone often depends on the amount of aventurescence in the stone, an abundance of this optical effect is rare. Associated with the Heart Chakra, the zodiac signs of Taurus and Capricorn and vibrates to the number 7, Aventurine is great for gridding homes and gardens against geopathic stress. It is a powerful stone for good luck abundance, money, joy and prosperity. Aventurine can also dissolve emotional blockages and help balance emotions.