He was not about to waste one on "iron" or "instruments of music."

Or your soldiers, will they not grow thin on cold iron?

And it did not work on iron or steel.

Your words on iron have been shown to contain great good.

Magic doesn't work on iron, you know, not mine or anyone else's.

He added, "Right now the evidence is incomplete on iron."

It was bare; trees just did not seem to grow well on solid iron.

She was dancing, poor thing, in her little vulgar way, on hot iron.

They had it arranged for the best values on iron and steel.

The effect of a magnet on iron is changed past recognition.