If you discover a stain on your black marble clean it with a cotton ball dipped in acetone.
Best way to clean and shine marble.
Rinse the table thoroughly with plain water and dry.
Since darker marble is denser than its lighter counterpart it tends to be more stain resistant too.
Acetone is neutral and will not harm marble and it will definitely clean the floor.
Apply a polishing compound using a soft cloth working in small sections and using circular movements.
Then i d recommend you use a good marble safe cleaning product like this tile floor cleaner.
A chamois cloth is made from a soft fabric that can be used to dry and shine your marble at the same time.
Before polishing marble clean the surface with a clean damp rag then use a poultice to remove any stains if necessary.
When you ve finished polishing use a dry cloth to wipe away excess compound and wait 24 hours.
If you can t use this product then the best i can recommend is to use acetone and non abrasive pads on a buffer to clean the floor.
Scrub at rough spots with a plastic scrub brush.
Be sure to wipe the area with a clean damp cloth afterward.
This is the gentlest way to shine your marble.
Commercial marble polishes also work well.
If you have found an antique marble tabletop that you want to clean up you can try several methods to clean it and get it looking like new.
To keep your artificial marble looking its best clean it on a regular basis and restore its shine with a coat of wax or fiberglass polish twice a year or as needed.
Buff polished marble to a gorgeous gleam with a chamois cloth.