Larimar Sun Ocean Hanging Pendant Sterling Silver . Our silver jewelry is made from Sterling Silver. Sterling Silver is a mixture of high-quality 92.5% or higher pure silver with alloys to add strength and ability to withstand time and wear. All our items have a 925 Stamp referring to the Silver Purity that was used when crafted. Please Note: The 925 Stamp location may vary, depends on the item. Please note as this is a Natural Larimar exact coloring may vary. Larimar has a natural white "milky-ness" and darker shadow spots that are random and may or may not appear on pieces and may or may not effect the depth of the shade of blue.