'Dust' in the Bible

And Tamar, in her grief, put dust on her head; and she put her hand on her head and went away crying loudly.

Now when David had come to the top of the slope, where they gave worship to God, Hushai the Archite came to him in great grief with dust on his head:

So David and his men went on their way: and Shimei went by the hillside parallel with them, cursing and sending stones and dust at him.

And kept going across the river to take the people of the king's house over, and to do whatever was desired by the king. And Shimei, the son of Gera, went down on his face in the dust before the king, when he was about to go over Jordan,

Then they were crushed as small as the dust of the earth, stamped down under my feet like the waste of the streets.