Sterling Silver Oxidized Genuine Marcasite and Red Glass Layered Dangle Earrings Dangle earrings featuring oval red glass drops wrapped in oxidized sterling silver with filigree details and genuine marcasite accents Perfect jewelry gift to expand a woman's fashion wardrobe with a timeless filigree style Oxidized sterling silver is created through a controlled oxidation process to cause a natural tarnish. The slight tarnish is then polished to leave darkened areas in the detailing, most notably to enhance design elements French wire backing Hand-crafted in pure .925 Sterling Silver; Oxidized finish added to enhance detail and depth in jewelry design Imported