'Earthen' in the Bible

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.

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.

Next the priest shall order that one of the birds be killed [as a sacrifice] in an earthenware container over [fresh] running water.

and he shall kill one of the birds in an earthenware container over running water,

An earthenware container that the one with the discharge touches shall be broken, and every wooden container shall be rinsed in water.