Real Turquoise and silver beaded necklace

Real 16” turquoise rough cut beaded necklace with silver beads. Gorgeous authentic stones vary in color from sky blue to dark green with veins of brown and copper color. The surface is pitted with fine black fissuring. It’s polished but not smooth. The silver beads are hollow. It looks like an authentic Native American piece. The turquoise resembles Bisbee, Kingman or Number 8 turquoise.