alchemical

adjective3

1. •
   Of or pertaining to the medieval chemical science and philosophy of alchemy.

   • [Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes. — 2014
2. •
   Of or pertaining to an unexplainable transmutation.
3. •
   Of or pertaining to the creation of something special out of a common material.