Solid Sterling Silver Rhodium Plated Simulated White Opal Inlay Long Vertical Bar Dangle Earrings These earrings are made of solid rhodium plated sterling silver, featuring high quality simulated opal. Our radiant simulated opal reflects back all the colors of the rainbow, easily convincing others it's the real thing. The weight of the earrings is 1g. The spikes measure 8mm (0.31 in) x 5mm (0.2 in). The height is 3mm (0.12 in).