Round rose cut tourmalined quartz (clear quartz with crystals of black tourmaline running through it) earrings. Set in 22k bezels on sterling, these earrings are a striking combination of black, white and clear and sure to be earrings worn more days than not. Tourmalined quartz is believed by many to facilitate clear thinking. Approximately 1/2" in diameter with 14k ear wires. One of a kind.