Travertine is a fancy name for limestone with color.
Actually, it's travertine tile, which is a flooring material manufactured from a naturally-occurring limestone deposit.See the related link listed below for more information:
It worksSalt and a lemon half. The salt will act as an abrassive and the slight acidity from the lemon will bring deposites out from the marble. Answer:There are several different good marble cleaners on the market today. Just do an internet search to find what are the highest rated.