Bead necklace composed of carnelian beads. Beads are usually made of agate and carnelian, as well as magnesite, anthracite, chalcedony, calcite, serpentine, bone, frit, faience, glass, gold and bronze. They occur in the shape of cylinders, spheres, pipes, long barrels, ellipses, reels, spirals, with suspensions, convex biconical shapes, triangles, flat hexagons, flat spheres, animal heads and complete animals.