Peruvian Opal Hoops - 14kt Gold filled. These stunning Earrings are hand formed into a Hoop & then adorned with stunning Peruvian Opals. Wear them casually or dress them up. Peruvian opal has long been used to release tension and promote free-flowing ideas. According to metaphysical beliefs, Peruvian opal reduces stress and helps the wearer approach the future with a heightened sense of tranquility. Peruvian opal is also believed to help with issues sleeping.