Getting serious, the Philosopher’s Stone has to be melted and clarified so it turns into a gem for a laser that creates self-reinforcing photons at a particularly unique frequency so that when it is shot at the elements you want to change at JUST the right angle (70 degrees is a good starting point), you can change any element into any other element.
The Philosopher’s Stone is made of Lapis Lazuli. #nowyouknow