This is a Sterling Silver Heart Shaped Drop with Mother of Pearl & Marcasites Necklace. The Heart Shaped drop is really beautiful and it is clearly marked Sterling on the back of the Drop. It has (44) Marcasites on this Drop and the Mother of Pearl is Heart Shaped. The Drop measures 1 1/8" by 1" and for hanging a Chain on it , it has a Heavy Duty Loop that measures 3/8" in length. The Chain measures 9 3/8" in length, we did not find a mark on it and one of the loops on the end, appears to be brass colored. The Total length of the chain and the drop is 10 5/8".