Argentium Sterling Silver earrings with a layer of pure rhodium (white gold) coating to protect from tarnishing and metal allergies. Genuine 8 mm round Quartz Crystal stones set so that the stones rotate with you as you move. They dazzle in the sunlight as if they were diamonds but have the healing energy qualities of pure Quartz Crystal. Quartz Crystals are claimed to help stimulate the immune system and balance out your entire body.