Follow these steps to remove ink stains from alabaster or marble:
- Wipe surface with a cloth or sponge dipped in warm sudsy water to which a few drops of ammonia have been added.
- Rinse well and wipe dry.
- If stain persists, apply a cloth soaked in rubbing alcohol; allow it to stand for 15 minutes.
- Next, apply a cloth soaked with ammonia for 15 minutes.
- Alternate alcohol and ammonia applications until stain is removed. Rinse thoroughly and wipe dry.