Aventurine provides joy, happiness, optimism. It lightens the mood in order to see situations from a more positive angle. Aventurine corresponds to the heart chakra. It provides nurturing energy in order to feel safe moving out of your comfort zone. When the heart is open and able to be free, it magical things begin. Going after what the heart desires doesn’t seem so scary, it becomes natural, thus allowing for easy manifestation and abundance.
Place aventurine in a place where you need to be reminded to go after your dreams. It can be gridded around the house to ensure prosperity and happiness. 
Being in the quartz family, aventurine can be an effectively charged with intention and a generator of energy.
These are suggested meanings/intentions for this crystal. You are the one with the power to make it whatever it needs to be for you. ☺︎︎
Each sphere is approximately 1/2 an inch and one will be intuitively chosen for you.