Natural stone can wear and fade over time. Some cleanings over time can fade the color leaving it dull. There are many factors to Sealing natural stone, so to help you can work with the #1 Stone Cleaning Service for Los Angeles and Orange County.
As marble wears, the highly polished surface begins to become scratched and worn. The wearing of this polish causes the surface to become rough and become a magnet for dirt. If improper cleaners are used, this dirt begins to accumulate in the pores of the stone can will turn yellow.