Incredible one of a kind necklace for the gods of the ancient seas. The materials are petrified palm, pyrite ammonite, with druzy peaking out, and rainbow moonstone, set in oxidized sterling silver and fine silver bezels. Please note, the bezels can take on a golden hue from the oxidation process. For care, please do not use a polishing cloth, you can swish in warm sudsy water, rinse and dry. The chain and clasp is sterling silver. The chain length is 20″, the pendant is 3 3/4″ x 1″