Beautiful color combination of stones in this dramatic and unusual ring. The materials are oxidized sterling silver, fine silver bezels, 18k, Yowah opal and chrysocolla druzy. Please note the 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. The surface size is 1 1/2 x 1. The ring size is 7 1/2