Cross reference
Leviticus 6:28
28 But the earthen vessel in which it is boiled shall be broken; and if it is boiled in a brazen vessel, it shall be scoured, and rinsed in water.
Leviticus 11:33
33 Every earthen vessel, into which any of them falls, all that is in it shall be unclean, and you shall break it.
Leviticus 15:12
12 "'The earthen vessel, which he who has the discharge touches, shall be broken; and every vessel of wood shall be rinsed in water.
Hebrews 9:9-10
9 which is a symbol of the present age, where gifts and sacrifices are offered that are incapable, concerning the conscience, of making the worshipper perfect;
10 being only (with meats and drinks and various washings) fleshly ordinances, imposed until a time of reformation.