Genuine Marcasite and Black Onyx Square Sterling Silver Aromatherapy Scent Locket Pendant with 20" Cable Chain Necklace Black Onyx Inlay and Genuine Marcasite Accents Scent Locket is 7/8" High (w/out bail) and 7/8" Wide 20" 2.5mm Cable Chain Included Weight is 17.6 Grams Marked .925