Numbers 31:23

20 As to every garment, and all that is made of skin, and all work of goats` [hair], and all things made of wood, you shall purify yourselves.

21 Eleazar the priest said to the men of war who went to the battle, This is the statute of the law which Yahweh has commanded Moses:

22 however the gold, and the silver, the brass, the iron, the tin, and the lead,

23 everything that may abide the fire, you shall make to go through the fire, and it shall be clean; nevertheless it shall be purified with the water for impurity: and all that doesn`t withstand the fire you shall make to go through the water.

24 You shall wash your clothes on the seventh day, and you shall be clean; and afterward you shall come into the camp.

25 Yahweh spoke to Moses, saying,

26 Take the sum of the prey that was taken, both of man and of animal, you, and Eleazar the priest, and the heads of the fathers` [houses] of the congregation;