In terms of the history of jewelry, try this site for some recent
evidence that pearl diving in the UAE (United Arab Emirates) is
perhaps thousands of years old.
In addition, "Scientists also found a number of stone drills as well
as the striped shells of a small gastropod Engina mendicaria. The
shells appear to have been deliberately modified with the top sliced
off, leading the team to believe the building was also used for bead