This is a mother of pearl locket accented with Aurora borealisin crystals. Explosive detail with a Marcasite look. This is a real showstopper. This locket has the capability of holding two pictures. The metal/chain is pewter and contains no nickel. In case you would be sensitive. The length is a total of 24 inches which includes a Lobster Claw clasp and a 2 inch extension which will accommodate any neckline. From a smoke-free pet-free home.