Beige travertine is a natural sedimentary stone type, a rock formed by the precipitation of calcium carbonate found in underground sources.

Red travertine is a natural type of limestone, a sedimentary rock formed by the precipitation of calcium carbonate in underground waters.

Silver travertine is a natural type of limestone, a sedimentary rock formed by the precipitation of calcium carbonate found in underground waters.

Titanium Gray Travertine is a natural sedimentary stone type, a special variety of travertine formed by the precipitation of calcium carbonate around hot springs or in caves.

Yellow travertine is a natural sedimentary rock type. Travertine consists of limestone layers formed by the precipitation that occurs when bicarbonate in hot freshwaters loses its carbon dioxide.