The Chalcolithic-period Nahal Mishmar hoard in the Judean Desert west of the Dead Sea contains a number of arsenical bronze (4–12% arsenic) and perhaps arsenical copper artifacts made using the lost-wax process, the earliest known use of this complex technique.
The Chalcolithic-period Nahal Mishmar hoard in the Judean Desert west of the Dead Sea comprises a variety of arsenical bronze (4–12% arsenic) and possibly arsenical copper items produced using the intricate lost-wax technique, which is also known as the ancient art of casting.