Remove all items from the table top. Use a damp cloth or rag to wipe down the marble surface and wait for it to dry.
Inspect the marble for light scratches. Gently and lightly sand the scratch with either fine sandpaper or very fine steel wool until the scratch begins to fade.
Gently blow away any sandpaper, marble or wool residue. Wipe down the surface with a damp cloth. If the scratch remains proceed to Step 4, otherwise, skip to Step 5.
Sprinkle a small amount of polishing powder, also known as tin dioxide, onto the scratch. Rub the powder all over the scratch with a cloth until the scratch begins to disappear.
Apply a small amount of marble polish onto the marble surface and rub it all over the surface with a soft clean cloth or rag. Rub gently until the polish is no longer visible.