Genuine natural Turquoise necklace measuring 16” long. Every bead on the wire with the Turquoise is handmade with Fine silver, 999% pure silver. The chain and clasp is Sterling silver. The turquoise beads measure approximately 14-19mm long and 11mm wide. The beads are strung on Fine silver 20ga wire and the necklace can be lengthened by adding an extension chain for an additional cost.