Rigid circle necklace with removable pendant in bronze, an alloy made by 90% copper and 10% tin, nickel free.
Bronze oxidizes and changes color. Depending on the pH of your skin, bronze may leave blue-green stains which, however, may be washed off easily; it not to be regarded as an allergic reaction. Bronze can be cleaned with a soft cloth and metal polish or with some lemon juice, it may be rinsed off with dish detergent or mild soap.