Rainbow aura quartz single stud earrings. A single 6mm rainbow aura quartz is used in these simple stud earrings. The rainbow colors are beautiful against the clear quartz♪ Surgical stainless steel. The catches are mini silicone. These are round, drilled natural stone beads. The holes may be visible from the side of the stainless steel prongs. Please consider this before purchasing. Due to being handmade, slight imperfections are to be expected. Type...Single stone Base material...Surgical stainless steel Motif material...Natural stone