Philosopher's Stone

The fabled goal of the Great Work — the agent that perfects base metal into gold and, inwardly, the soul into its incorruptible self. Born in the final Rubedo, it is less a substance than the achieved wholeness of the alchemist.

Latin lapis philosophorum — 'stone of the philosophers.'

• Magnum Opus
• Alchemy
• Rubedo
• Prima Materia