travertine

And at any given time of day travertine can take on a different color.

But the city's wealth of color is not limited to its travertine.

They left prints on the travertine all the way to the end."

Travertine for use in building has been worked on a minor scale nearby.

"One that got covered up with travertine in the millions of years since the aliens left?"

Its outer facing today is made of bricks and travertine.

The site was covered by travertine, which led to the excellent preservation.

Once inside, the newcomer is quickly lost among blank walls of travertine.

She nearly lost her balance on the steep facets of the travertine.

Travertine is one of the most frequently used stones in modern architecture.

About a third of this floor is an outdoor terrace, paved with travertine.

But he volunteered to make a new statue, out of travertine, the same size, about four feet tall.

It is entirely in travertine, with a portico which was once open to the public.

The exterior, with two bell towers, is built in white travertine.

Travertine has been an important building material since the Middle Ages.

The building's structure is reinforced concrete with travertine on the exterior street level.

The travertine falls apart, but the center holds on.

There have been understandable noises about the center's being an art theme park in travertine and glass looking down on the city.

It arose like a geyser from within a high mound of travertine.

It is a deposit of calcium carbonate, as with travertine.

Travertine is often used as a building material.

Travertine is most commonly available in tile sizes for floor installations.

The water flowing from the spring had deposited a large cone of travertine around it.

The entire lake system is made of travertine.

It has a 2,600-square-foot pavilion of glass, travertine, marble and concrete.