Albedo, in alchemy, is the second or “white” stage of the opus alchymicum which is reached after the blackened purified material of the metal, associated with the nigredo staged, called death, is washed to a state of whiteness by the purifying mercurial waters or fire. A.G.H


Drury, Nevil. The Watkins Dictionary of Magic. London. Watkins Publishing. 2005. p. 10