alchemystical

Variant of alchemistical, perhaps with intentional blend of mystical.

alchemystical (comparative more alchemystical, superlative most alchemystical)

1. (rare) Pertaining to alchemy.
   • 2006, Marsha Keith Schuchard, Why Mrs Blake Cried, Pimlico, published 2007, page 69:

     Swedenborg was stimulated by the alchemystical notions of both men, and he began to move beyond the natural to the supernatural sciences.

• schematically