Materials that can be removed with peroxide include some inks from markers.
Cleaning marble with amonia and peroxide.
For ink on light marble use bleach or hydrogen peroxide.
For most organic food stains the marble institute recommends cleaning with a solution of 12 hydrogen peroxide and a few drops of ammonia.
Use a clean rag or microfiber towel and wipe down the surface and ensure that all lose dirt and grit is gone from the surface.
If you spilled anything oil based like a vinaigrette.
Mix 1 4 cup each of baking soda vinegar and ammonia and dilute it in eight cups of water.
Add more peroxide if needed for stain removal.
Use the cloth to rub the mixture into the marble.
Sweep or vacuum your marble floors on a hard floor setting to remove any dirt or debris that can scratch the floor.
2 mix 1 2 cup of ammonia with 1 gallon of warm water in a bucket.
Such biological stains as algae can be cleaned with cup ammonia in 1 gal.
Wipe the stains with this solution and leave on for 10 minutes.
If you are cleaning marble floors then try using a duster or broom for this.
For removing stubborn stains from cultured marble you may require a harsher cleaner.
Pour 1 2 cup of hydrogen peroxide into a gallon of warm water.
Then wash off with cold water.
You can create a marble poultice using 6 hydrogen peroxide and a few drops of ammonia.
Follow the above directions for removing rust stains from marble to effectively remove organic stains.
A high strength hydrogen peroxide such as a 12 percent solution removes some types of stains from light colored marble.
Or try bleach or hydrogen peroxide.