Necklaces / Pendants by John & Dawn Field This Amethyst necklace features a sterling silver star centre piece. The stones on the necklace are, amethyst, rock crystal and opalite. The sterling silver quality chain and catch measures 17 inches, 43cm in length. John and Dawn also make matching ear studs and earrings, please browse their page for the full selection. Features Primary Material : sterling silver Other Materials : various gemstones One of a Kind : No Metal : sterling silver Gems : amethyst, opalite and rock crystal Hallmarked : No Length (inches) : 17 Cleaning InstructionsThe sterling silver centre star drop has been coated with a clear protective layer to help prevent tarnishing. A gentle wipe with a silver polishing cloth should keep the chain tarnish free.