There are two most common finishes for marble surfaces.
It often comes down to personal preference and where it will be used, when deciding between honed or polished marble.
In simple words, marble particles that are held together are not really tight and when there is a liquid dropped on it, the liquid seeps in and stays there. That’s your stain.
Use a pH-neutral cleaner:
Marble is sensitive to acidic and alkaline substances. Use a cleaner that is pH-neutral (a pH of 7) or specifically formulated for marble to avoid damaging the surface.
Avoid using abrasive materials:
Do not use abrasive materials like steel wool or scouring powder to clean marble. These materials can scratch the surface.