As with all of the platinum group metals, iridium can be found naturally in alloys with raw nickel or raw copper.

The most important piece of equipment was the rollers themselves, which consisted of large iron cylinders through which raw copper would be inserted and compressed.

The Nagasaki trade coins, as well as silver and gold bar and raw copper, were used for trade between the Japanese and the Great Viet in the 17th century.

A lack of raw copper led to an experiment with melted cannon; this succeeded only in destroying the dies.

It was an exquisite royal blue, shot through with lines of raw copper.

The planet offers beautifully carved gem stones, raw copper, and a weed from which is derived an alkaloid used in psychotherapy.

Other commodities included raw copper, mined from West Rock (Mautumpseck) in large nuggets.

The raw copper of the wire matched the hairs on the backs of his huge freckled hands, incongruously delicate as they handled the difficult task in near-darkness.

Copper is poured on naked flame which burns off sulfur and other impurities, leaving raw copper.

Across the moor the roan horses ridden by Sir Cadwal's troop glimmered like raw copper in the sunlight.