'Earthen' in the Bible

“You must make an earthen altar for Me and sacrifice on it your burnt offerings and fellowship offerings, your sheep and goats, as well as your cattle. I will come to you and bless you in every place where I cause My name to be remembered.

The words of the Lord are pure words,like silver refined in an earthen furnace,purified seven times.

Smooth lips with an evil heartare like glaze on an earthen vessel.

‘This is what the Lord of Hosts, the God of Israel, says: Take these scrolls—this purchase agreement with the sealed copy and this open copy—and put them in an earthen storage jar so they will last a long time.