Prime impression: T. gibbosula and C. rustica shells present in layer 4c from the cave in Morocco, which were being beads from exactly what is now often known as the oldest jewelry on this planet. Source: A. Bouzouggar, INSAP, Morocco / Ancient Egyptians built a lot of objects from faience. https://greek-bead-symbolism53963.blogkoo.com/art-nouveau-beadwork-fundamentals-explained-50701050