Leviticus 6:28
Also the earthenware vessel in which it was boiled shall be broken; and if it was boiled in a bronze vessel, then that vessel shall be scoured and rinsed in water.
Leviticus 11:33
As for any earthenware container into which any of these [crawling things] falls, whatever is in it becomes unclean, and you shall break the container.
Leviticus 15:12
An earthenware container that the one with the discharge touches shall be broken, and every wooden container shall be rinsed in water.
Hebrews 9:9-10
for this [first or outer tabernacle] is a symbol [that is, an archetype or paradigm] for the present time. Accordingly both gifts and sacrifices are offered which are incapable of perfecting the conscience and renewing the [inner self of the] worshiper.