The Secret Book of the Philosopher's Stone: Esoteric Classics: Studies in Alchemy - Paperback

by Artephius (Author)

This twelfth century alchemical treatise describes the entire process of preparing the philosopher's stone. The three operations described here are 1) the preparation of the secret fire, 2) the preparation of alchemical mercury and 3) the preparation of the stone itself. However, the author's instructions aren't always linear.