Goldbug Collection’s Rhodochrosite Seastar Drop Earrings 18K gold-plated brass, genuine cabochon rhodochrosite (variations in color may occur with this natural stone) Length: 1" Width: 0.78" Fish hook wire back Care: To ensure a longer life for your Goldbug pieces, please do not shower, swim, or sleep while wearing them, and keep them away from sunscreens, lotions, and perfumes. To clean your pieces, rinse with warm water and gentle soap. Like our bug friends, sadly, costume jewelry doesn't live forever!