Travertine is a form of Limestone which is a naturally occurring Sedimentary Rock. Travertine is slowly formed by deposits of Calcium Carbonate in bodies of water i.e. lakes or particularly in hot springs. Travertine often contains organic matter such as leaves and tree debris which rots away and leaves small voids behind.Turkish call traverten .It is a sedimentary stone which is usually formed in limestone caves or near hot springs in Iran and other European countries but unlike its natural stone counter parts, such as Marble and Limestone, it is not a metamorphic stone, Iran’s travertines have exotic textures and color. travertine is soft cut and uasuall use in Interior and exterior design . Dubai, China, Turkey, Russia, Italy are Iranian travertine importers.Light , Cream. Beige, Silver , Red, Lemone, walnut , white , colorful and olive are famous Iranian Travertine’s color.