and the Thummim # 02_EXO_28_30 # And thou shalt put in the breastplate of judgment the Urim and the Thummim; and they shall be upon Aaron's heart, when he goeth in before the LORD: and Aaron shall bear the judgment of the children of Israel upon his heart before the LORD continually. 
and the Thummim # 03_LEV_08_08 # And he put the breastplate upon him: also he put in the breastplate the Urim and the Thummim.