Projection (alchemy)

This article is about the alchemical concept. For other uses, see Projection.
Depiction of Sedziwój performing a transmutation for Sigismund III by Jan Matejko, 1867

Projection was the ultimate goal of Western alchemy. Once the philosopher's stone or powder of projection had been created, the process of projection would be used to transmute a lesser substance into a higher form; often lead into gold.

Typically, the process is described as casting a small portion of the Stone into a molten base metal.