This product is a 16'' necklace featuring AAA+ natural Ethiopian Wello fire opal gemstone beads. The gemstones are translucent bi-color/multicolor with opalescence, cut in a very good grade. These polished round beads are sourced from Ethiopia and are not enhanced. The brand is Afreena Gems and they are wholesale. The item has a depth and width ranging between 3-5.5mm, making it a unique and stunning piece of jewelry.