Numbers 31:23

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

21 And Eleazar the priest said unto the men of war that went to the battle, This is the statute of the law which Jehovah hath commanded Moses:

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

23 everything that may abide the fire, ye 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 abideth not the fire ye shall make to go through the water.

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

25 And Jehovah spake unto Moses, saying,

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