Travertine is a form of limestone that forms from the rapid precipitation of calcium carbonate at the mouth of mineral springs, especially hot springs. It has a fibrous appearance, and is usually found in white, tan, and cream colors. It has been used in construction for thousands of years. Travertine has been used for many types of construction, including Roman temples, aqueducts, and amphitheaters, such as the Colosseum. Travertine Exclusivo Travertine is very popular for both indoor and outdoor use—from indoor flooring to paving patios and garden paths.