You can polish the flooring either by dry sanding or wet sanding.
Marble substrate sanding.
Add two drops of gentle dish soap into the warm water.
Although it is a naturally occurring stone marble is a soft substance with a surface that is easily worn down with regular usage.
Use special silicone carbide sandpaper in range of grits to slowly work out those imperfections.
Dirt and scratches can affect marble.
Sanding marble is a time consuming and laborious process but with the proper tools and techniques it can bring that dull and unsightly marble countertop back to brand new condition.
Marble floor polishing can remove small scratches.
Step 1 fill a large container or bowl with warm water.
Dirt and dust will compress into the marble further scarring or discoloring the surface.
While this method will work fine for statues tile and marble countertops sanding large areas of marble like marble floors requires a completely different process and technique.
This will require using a wet sanding process to achieve the desired results.
Make sure the dish soap you use does not contain any.