'Brass' in the Bible

And I looked, and behold, a stormy wind came out of the north, a great cloud, and a fire infolding itself, and a brightness was about it, and out of the midst thereof as the look of glowing brass, out of the midst of the fire.

And their feet were straight feet; and the sole of their feet was like the sole of a calf's foot; and they sparkled as the look of burnished brass.

And I saw as the look of glowing brass, as the appearance of fire, within it round about; from the appearance of his loins and upward, and from the appearance of his loins and downward, I saw as it were the appearance of fire, and it had brightness round about.

And I looked, and behold, a likeness as the appearance of fire; from the appearance of his loins and downward, fire; and from his loins and upward, as the appearance of brightness, as the look of glowing brass.

Then set it empty upon its coals, that it may be hot, and the brass of it may burn, and that its filthiness may be molten in it, and that its rust may be consumed.

And he brought me thither, and behold, there was a man whose appearance was like the appearance of brass, with a flax-cord in his hand, and a measuring-reed; and he stood in the gate.