'Earthen' in the Bible

And He sent two of His disciples, saying to them, “Go into the city, and a man carrying a jar of water will meet you; follow him;

And he said to them, Behold, as ye enter into the city a man will meet you, carrying an earthen pitcher of water; follow him into the house where he goes in;

But we have this treasure in earthen vessels, that the excellency of the power may be of God, and not of us.

But in a great house there are not only gold and silver vessels, but also wooden and earthen; and some to honour, and some to dishonour.

and he shall shepherd and rule them with a rod of iron, as the earthen pots are broken in pieces, as I also have received authority [and power to rule them] from My Father;