Banana Republic Three Stone Malachite Necklace Dress it up or dress it down, our jewelry collection is filled with pieces that add instant polish. Lobster clasp closure. Hypoallergenic. Dimension: 18" plus 3" extender 75% brass plated, 10% zinc plated, 14% reconstituted stone, 1% cubic zirconia. NWT Never opened, still in plastic, took it out to take pictures