Philosopher's Stone
From Wikipedia, the free encyclopedia
The Alchymist, In Search of the Philosophers' Stone by Joseph Wright of Derby, 1771.
Philosopher's Stone is an alchemical substance capable of turning base (impure) metals into pure gold. It becomes the Elixir of Life, useful for rejuvenation (to become younger again) and to achieve immortality (to live forever, eternally).
In popular culture [change]
The first Harry Potter book is called Harry Potter and the Philosopher's Stone.