925 sterling silver rounded rectangle ring inlaid with an azurite cabochon. The stone inlay area measures 3/8 inch wide by 1/2 inch tall. This ring is available in a size 10.5. Azurite is a copper carbonate hydroxide mineral, a secondary mineral formed in the oxidized portions of copper deposits. Azurite has a ratio of 3.5 to 4 on the Mohs hardness scale. Azurite is soft with a deep blue color that is unique only to this mineral stone.