Necklaces / Pendants by John & Dawn Field This blue and green necklace features a small, deeply embossed, sterling silver heart centrepiece, which measures 9mm in diameter. The stones on the necklace are Turquoise, Rock crystal and Chrysoprase. The sterling silver quality chain and fastening measures 17 inches. We also make a matching pair of earrings, which can be seen in the photograph above. Features Primary Material : sterling silver Other Materials : chrysoprase, rock crystal and turquoise Length (inches) : 17 One of a Kind : No Metal : sterling silver Hallmarked : No Cleaning InstructionsThe chain and heart drop can be gently rubbed with a silver polishing cloth.