Bright heater valley is a component of travertine heater valley travertine stone is the most popular and the most practical stone in Iran. This kind of stone because of high resistance to erosion and polished is proper for view of building. Also bright heater valley stone is one of the whitest and the highest quality building stones is known for it’s application in building facades. Mines of this valuable stone is located in Markazi province, Mahalat county, khomeyn road. Heater valley travertine stone has Nescafe color spectrum, creamy white and dark cream .heater valley stone is produced in form of wavy ,wave less and screw wave.