Prime impression: T. gibbosula and C. rustica shells found in layer 4c in the cave in Morocco, which ended up beads from what is now called the oldest jewelry on the globe. Source: A. Bouzouggar, INSAP, Morocco / The intensive hardness and brittleness in the materials created it not possible https://beads-in-the-middle-ages21852.bligblogging.com/31641824/history-of-beads-secrets