Marcasite Stud Earrings Sterling Silver 925 Material	Made with Genuine .925 Sterling Silver and high quality Marcasite Height	11.4 mm (0.4 in) Width	11.4 mm (0.4 in) Weight	1.9 grams Weights and dimensions are approximate. Marcasite Earrings. Marcasite earrings in genuine .925 Sterling Silver, from our collection of marcasite jewelry.