Necklaces / Pendants by John & Dawn Field This multi-coloured gemstone necklace features a sterling silver heart centre piece. The stones on the necklace are, carnelian, turquoise, lapis, dalmation jasper, amber, red sea bamboo, black agate and rock crystal. The sterling silver quality chain and fastening 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 stones One of a Kind : No Metal : sterling silver Gems : amber, black agate, carnelian, dalmation jasper, lapis, rock crystal, sea bamboo and turquoise Hallmarked : No Length (inches) : 17 Cleaning InstructionsThe sterling silver heart centre drop has been coated in a clear protective layer that helps to prevent tarnishing. A gentle wipe with a silver polishing cloth should keep the chain from tarnishing.