Magical one of a kind ring that takes you into outer space! The materials are oxidized sterling silver, blue opal petrified wood, fine silver bezel, and 18k gold. The surface size is 1.50 x 1.25. The ring size is 7.50. Please note the fine silver bezel can take on a golden glow from the oxidization process. For care, please do not use a polishing cloth as that can alter the patina. You can swish in warm sudsy water, rinse and dry.