'Chalk' in the Bible

Therefore through this Jacob’s iniquity will be forgiven;And this will be the full price of the pardoning of his sin:When he makes all the altar stones like pulverized chalk stones;When Asherim and incense altars will not stand.

Another shapes wood, he extends a measuring line; he outlines it with red chalk. He works it with planes and outlines it with a compass, and makes it like the form of a man, like the beauty of man, so that it may sit in a house.