Richly colored Apatite Stone Prong Set Sterling Silver Earrings. These earrings are sold in a pair (2 pieces), coming in a 20G with a post length of 5/16" (8mm). These feature a natural stone, so each set of earrings will be unique. Stone sizes range from 5mm - 8mm. Each piece has a stud design with a butterfly back. Perfect for healed ear piercings.