Major picture: T. gibbosula and C. rustica shells present in layer 4c of the cave in Morocco, which have been beads from what's now often known as the oldest jewelry on the planet. Supply: A. Bouzouggar, INSAP, Morocco / Karen Loise van Niekerk would not work for, seek advice from, https://bookmarklinking.com/story4344922/not-known-details-about-beads-in-mediterranean-cultures