Rainbow stone, projecting every color of the rainbow. Opal, The Cupid Stone promotes love and passion in a relationship. Opal Jewelry enables you with prophetic powers. Tsars of Russia believed opal symbolizes the evil eye. 90% of the world’s consumption is supplied by Australia, no wonder it is the national gemstone of Australia. Birthstone of October Borns, opal is the stone for the 14th wedding anniversary. William Shakespeare bestowed Opal with the title ”Queen of Gems” in his comedy Twelfth Night in 1602.