The Philosopher's Stone was found inside a Ming vase that was acquired at auction by Flynn Carsen and taken to the Library.
Powers[]
Transmutation: The stone had the power to turn anything it touched into gold.
Real Life Counterpart[]
The Philosopher's Stone was the main goal of the Alchemists, the ancestors of modern Chemistry. It was thought to grant immortality, as well as turn all metals into gold. The name "Nicholas Flamel" also comes up, a noted alchemist and the creator of the Stone in the Harry Potter canon.
Library display card for the artefact- made by user magicexpert28