Philosopher's Stone

legendary alchemical substance

The Philosopher's Stone is a substance that alchemists believed was able to turn base (impure) metals (such as lead) into pure gold. They thought it could also be used for rejuvenation (to become younger again) and to achieve immortality (to live forever).

The Alchymist, In Search of the Philosophers' Stone by Joseph Wright of Derby, 1771.

In popular cultureEdit

The first Harry Potter book is called Harry Potter and the Philosopher's Stone

The manga and anime series Fullmetal Alchemist.