onyx

With age, the lungs’ lymph nodes — which filter foreign substances and contain immune cells — became loaded with particulate matter, turning them a deep onyx, the research team found.

By contrast this cup is made of gold, onyx, precious stones, and the stone agate.

On the pink cotton inside lay a clasp of black onyx, on which was inlaid a curious symbol or letter in gold.

The 1952 onyx & diamond panther bracelet sold for $7,036,874, the highest ever paid for a bracelet or any Cartier at auction.

At the Men of ONYX booth, I decided to give the Butt Plug Toss a whirl.

The body had fallen at the base of one of the great onyx columns, near the side wall of the lobby.

The seal was a heavy, square onyx, with a foul anchor engraved on one side.

A close inspection would also separate them into several varieties—as onyx, agate, dotted agate, &c.

The columns and pillars of onyx and bronze held up a magnificent ceiling, broken by the circular stained glass of the skylight.

One of the most beautiful stalagmitic rocks is the so-called onyx marble of Algeria.