Large vintage Navajo tufa stone cast sterling silver Naja necklace. It is set with Morenci turquoise. Nice gradient blue color with a ring of matrix that has pyrite specs all the way around. Applied feather and raindrops embellish the stone. Naja terminals are human hands. The bail is not soldered on one side so you can move it to beads easily. It measures 2 1/2" by 2 1/4" On a heavy Italian box chain the measures 24" lng. Total weight: 54.7 grams. No hallmarks.