These earrings are truly one-of-a-kind, featuring a beautiful cloisonne centerpiece in rich grays, black, and gold, surrounded by pearl, citrine, and quartz with tourmaline inclusions. The unique addition of a cicada wing, backed in 24k gold and set in glass, adds an element of the natural to these cosmic earrings. The oxidized sterling silver setting on sterling ear wires creates a striking contrast and ensures durability. Sterling silver ear wires.