The Orim and Thumim in the Septuagint

There's an instance in the Septuagint that gives us a little glimpse into this. Some scholars will say, look, here's an indication that on one side was innocent, other side was cursed. But it sort of goes hand in hand with this idea that the Orim and the Thumim were stoned bones that were flat so that you would get one or the other when you threw them out.