Persian dark walnut travertine is one of the most famous Persian travertine types. Because of the surface's hues and patterns, it is known as Iran Walnut travertine, one of the most exquisite travertines in Iran. Iran's dark walnut travertine has a very high level of strength, particularly in the face of various climatic conditions. Persian walnut travertine, for instance, can be used where indicated in the following. The facades, yards, steps, walls, lobbies, flooring, bathroom, and kitchen are just a few exterior spaces where Iranian dark walnut travertine may be used.
Iran's dark walnut travertine primarily has a brown tint. However, different colors can be noticed. The surface of it contains lines that are white, dark brown, grey, and even black. Combinations of these veins renew nature in the imagination. It resembles Persian silver travertine in several ways, although the predominant hue is brown rather than silver.