The listing, Rare~Vintage Ethnic Bone Necklace Unique find has ended.
I am unsure of this material, at first I thought it was, Ivory, but not 100% positive. The ivory colored pieces are hand carved, they must be some sort of bone. also there are silver colored disks, and black beads in a various sizes, I do not think they are wood, But could very well be Ebony, they have a unique look to them