Green aventurine is known as one of the luckiest stones, or the 'stone of opportunity' as it has become to be known. It is a great stone to have on you to increase chances on winning games, or on a first date perhaps?
It has more to it than luck though. This stone can help you release old habits and patterns giving you space to find new ways of living. It will help bring you optimism and excitement into your new life, help you embrace the changes that will incur.
Ritualistic uses -
Element - Fire
Planet - The Sun
Zodiac - Aries, Gemini, Leo and Libra
Chakra - Third Eye, Solar Plexus, Sacral and Root