Item from harry-potter-philosophers-stone by J.K. Rowling
A legendary blood-red stone created by the alchemist Nicolas Flamel that produces the Elixir of Life and can transform any metal into pure gold — hidden at Hogwarts, guarded by enchantments, and hunted by Voldemort.
Also known as: the Philosopher's Stone, Philosopher's Stone, the Sorcerer's Stone, the Stone