This is a lovely vintage (circa 1990s) Marcasite heart pendant. It's a pendant/slide. Nice shape, all Marcasite stones are intact, none missing. Heart is .80 of an inch long. Very light patina. It is marked "925 China" and "SU". Weighs 3.39 grams.
Ships first class mail, insured, within the USA. Ships first class airmail internationally with insurance to many countries.