MCM Atomic Starburst 14K Gold & Pearl Earrings & Pendant Set. These MCM Atomic Starburst 14K Gold & Pearl Earrings & Pendant Set. They measure 1 1/8″ long and 1 1/8″ wide at widest point. They weigh 9.2 grams. They are marked 14K. They are in very good condition and would make a wonderful addition to your collection!