Acetone is particularly useful when trying to remove stubborn stains from granite surfaces and using it is simple.
Acetone on white marble.
Place between 1 4 cup and 1 2 cup of flour in a shallow bowl.
The acetone will break down the oil and the powder will soak up the oil particles.
Pure acetone is recommended for removing oil stains from granite as well as for cleaning marble.
So i m assuming that the nail polish remover etched the marble unless there is some type of nail polish remover product that contains a colored dye that could stain.
This is a lengthy and slow process so the poultice needs to sit on top of the stain for at least 48 hours.
Nail polish remover is usually acetone which does not damage or stain marble and some other products which can damage marble.
Acetone is a chemical that is too harsh for some surfaces.
For dark colored stone use acetone or for light stone 20 percent hydrogen peroxide adding it to the flour one teaspoon at a time to.
Make an acetone poultice with talcum powder baking soda or any other absorbent powder such as cornstarch or flour.