Green Natural Jade Aventurine Bangle Bracelet For Good Fortune 62-68mm My0112 Aventurine Jade makes a powerful wand to increase your good luck. It is known as the stone of chance and opportunity. Magic or Message Wands have been used since ancient times to increase the power of spells. The pointed end of each wand directs the spell energy. Measurements: 62mm inner diameter approx, 14mm width.