Leading image: T. gibbosula and C. rustica shells found in layer 4c in the cave in Morocco, which have been beads from what on earth is now known as the oldest jewelry on the planet. Source: A. Bouzouggar, INSAP, Morocco / Karen Loise van Niekerk doesn't perform for, check with, https://victorian-beadwork31963.weblogco.com/31159240/5-essential-elements-for-beads-in-the-middle-ages