OT-PROPHET.filter - kjv FLINT:

kjv@Isaiah:5:28 @ Whose arrows are sharp, and all their bows bent, their horses' hoofs shall be counted like flint, and their wheels like a whirlwind:

kjv@Isaiah:50:7 @ For the Lord GOD will help me; therefore shall I not be confounded: therefore have I set my face like a flint, and I know that I shall not be ashamed.

kjv@Ezekiel:3:9 @ As an adamant harder than flint have I made thy forehead: fear them not, neither be dismayed at their looks, though they be a rebellious house.