How to get oily stains out of natural stone

Here’s a step by step guide to make a “poultice” for removing oily stains (any type of vegetable oil, mineral oil, butter, animal fat, etc): 1. Get acetone (from hardware store, not nail polish), and very absorbent, good quality paper towels. 2. Make a paper towel cushion (8-10 folds, or a 1/4 inch thick) which…