Lean and muscular, his iron-gray hair in a crewcut, Clooney looks like a gun almost all his working parts appear to have a deadly function.

NEWYORKER: The American

He was a short and solid old man in a black peasant's smock and gray iron-stiff trousers and he wore rope-soled shoes.

NPR: Robert Jordan, Hemingway's Bipartisan Hero

The skies are gray, and a wrought-iron tipple sits at the mouth of the mine like a gallows.

NEWYORKER: October Sky

It was replaced by a gray lull, all smoke and pig iron.

NEWYORKER: Something Like Happy

The bath in my room had a deep cast-iron tub and floors laid with large, pale-gray stone tiles that Kime reclaimed from an embassy in Alexandria a few years ago.

WSJ: The Perfect English Country Inn