NWT 16 strand seed bead necklace

NWT 16 strands of brown, white and turquoise seed beads. Above the strands is white stone like beads. There are 4 strands of brown, 4 strands of white and 8 strands of turquoise. The strands are 19” long, white larger stone like beads are 4 3/4” long on each side, 3 1/2” adjust with single turquoise bead. Total length 33. Extremely nice, well made piece. Purchased at an estate sale. Smoke and pet free home. Looks in great shape, I do not see any damage.