The 16'' Natural Ethiopian Black Opal Welo Fire Opal Gemstone Beads Necklace AF0259 is a beautiful jewelry piece featuring round black fire opal beads sourced from Ethiopia. These gems are polished and showcase opalescence, adding a unique and eye-catching quality to the necklace. The 16-inch necklace includes a 2-inch chain and each gemstone has a depth ranging from 3 to 6 mm. This wholesale piece from Afreena Gems is a stunning addition to any jewelry collection, with very good cut grade and a natural creation process.