If you use these on marble, you will see dull "etch marks" that require professional re-polishing to fix.
Emma had always been a fan of marble. She loved its luxurious look and feel, and had even incorporated it into her home decor. Her marble window sills were a particular pride and joy, but she had noticed that they had started to look a bit dull and dirty over time. Determined to restore them to their former glory, Emma set out to learn the best way to clean her marble window sills. how to clean marble window sills