Gorgeous blues in this one of a kind ring, You can feel the sky and the sea wearing this ring. The materials are Turquoise, Blue Opal Petrified Wood, sterling silver, fine silver bezels, and 18k. The ring is oxidized. The surface size is 1 3/8 x 1. The Ring size is 8. Please note the fine silver bezels can take on a golden glow from the oxidation 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.