Earrings by Yvonne Gilhooly A circle of navette shapes are the main focus on these elegant drop earrings, enhanced with a glossy black agate drop. Features Primary Material : silver Other Materials : black agate Fitting Type : Post Dimensions (mm) : 20mm x 10mm One of a Kind : No Metal : silver Gems : black agate Hallmarked : No Wire Material : silver Cleaning Instructionsyou may use silver dip on a cotton bud to clean the silver studs, rinse thoroughly and dry with a soft cloth