The Philosopher's Stone: Alchemy's Greatest Mystery and What It Really Means
For more than a thousand years, some of the finest minds in European and Islamic civilization devoted their lives to its pursuit. They built elaborate furnaces, worked with toxic materials, bankrupted themselves and their patrons, and produced, in the process, the foundational discoveries of modern chemistry — not because they were foolish, but because they were pursuing something real. Something that cannot be found by looking for it in the way they looked. The Philosopher's Stone ( lapis philosophorum ) is the central object and the central mystery of Western alchemy. In its most literal form, it is a substance — often described as a red or purple powder, a stone that is not a stone, a thing so common that it is overlooked by everyone — that can transmute base metals into gold, cure all diseases, and confer immortality. In its most profound form, it is none of these things: it is a description of a state of consciousness, a metaphor for the most radical transformation that a hu...