This is a vintage African old carnelian necklace. The phenomenon of iron oxide spots appearing on stones carved hundreds of years ago (antique stones). African metal beads and Asian marble glass beads are interspersed. The amber-colored beads are Czech beads. Weight is approximately 80g, total length is approximately 47cm. I have never used it after purchase. The photos appear a bit dark, but each bead is not the same color. Thank you.