Leviticus 6:28
But the vessel of earth in which the flesh was cooked is to be broken; or if a brass vessel was used, it is to be rubbed clean and washed out with water.
Leviticus 11:33
And if one of them gets into any vessel of earth, whatever is in the vessel will be unclean and the vessel will have to be broken.
Leviticus 15:12
And any vessel of earth which has been touched by the unclean man will have to be broken and any vessel of wood washed.
Hebrews 9:9-10
And this is an image of the present time; when the offerings which are given are not able to make the heart of the worshipper completely clean,