Estate Vintage Unusual Bright Purple Charoite Amethyst & Gray Pearl Sterling Silver 25.5 Inches Long Necklace. This gorgeous and unusual pendant measures 3 inches long X 1.6 inches wide X .45 inch thick and weighs 43.3 grams. The pendant is engraved: 925 A F. The thick 25.5 inch long chain is engraved: 925 at the lobster clasp. It is in excellent condition. Please visit my ebay store for unique estate jewerly. Thank you.