The Gemstone: Larimar Stone Cut: Oval 10x10mm Stone Dimensions: 10x10mm Metal: 171 grams of 925 Sterling Silver with Rhodium Color: Ocean Blue Setting: Bezel Origin: Dominican Republic *Because we use natural stones the stones may vary slightly in shape size and color. *. About Larimar: Larimar is a unique type of Pectolite formed during ancient volcanic activity. Only discovered in 1974 in the Caribbean county of the Dominican Republic it is mined in high tropical mountains. The name Larimar is a combination of Lari the daughter s name of the stone discoverer and Mar the Spanish word for Sea. Larimar is the only blue Pectolite in the world; its unique color comes from the broad absorption of the red end of the visible spectrum by Copper allowing sky blue color to show through. The Mohs hardness is 5-6. The soft hues are believed to help maintain harmonious relationships reduce stress and foster feelings of love and peace. These powers are enhanced when Larimar is received as a gift. Rhodium is a precious metal and a member of the platinum family. Properties include hardness greater than Palladium and Chromium non-oxidation the melting point of 3567°F and resistance to most acids and bases. Rhodium electroplating is usedespecially on expensive jewelryto provide a surface that will resist scratches and tarnish as well as give a white reflective appearance.