Necklaces / Pendants by John & Dawn Field This amethyst necklace features a small, deeply embossed, sterling silver star centrepiece which measures 9mm in diameter. The stones on the necklace are, Amethyst, Rock crystal and Opalite. They hang on a sterling silver chain which measures 17" in length. We also make matching earrings, which can be seen in the photograph above. Features Primary Material : sterling silver Other Materials : amethyst, rainbow crystal and rock crystal One of a Kind : No Metal : sterling silver Hallmarked : No Length (inches) : 17 Cleaning InstructionsThe chain and star drop can be cleaned by a gentle rub over with a silver polishing cloth.