Jay King DTR mine genuine onyx and turquoise necklace with onyx and turquoise pendant enhancer which is removable. It measures 22 1/4" from tip to necklace yip. The pendant is 2" long and 1" wide. with a very large bail which you can slip on or off the necklace. The beads are a tad over 1/4" in width and 1/2" long.
Shepard's hook clasp reads DTR 925 (Desert Rose Trading and sterling silver) China. Great shape. Not a vintage necklace.