Black Spinel Versatile Sparkling Beaded Necklace/chain. The special feature of this necklace is that it is versatile. It can be doubled, and worn either short or long, and opens with a Sterling Silver clasp to add a pendant. Any style pendant can be added to this to create a great conversation piece. These high-quality Black Spinel beads are specially cut to produce a sparkle just like Black Diamonds! 35" long, 2mm beads, Sterling Silver Clasp Wholesale Sterling Silver Gemstone Necklace