Sterling Silver and Oxidized Marcasite Textured Hoop Earrings The classic hoop is updated in these earrings, which feature a textured pattern flanked by faceted rounds of dazzling metallic marcasite. Crafted in .925 sterling silver The natural properties and composition of mined gemstones define the unique beauty of each piece. The image may show slight differences to the actual stone in color and texture. Imported