21. These have also been interpreted as corresponding to the alchemical tria prima. 22. Druid searched for an ancient book of alchemical secrets at Greymoor Castle. 23. The magnum opus had a variety of alchemical symbols attached to it. 24. Various alchemical documents were directly or indirectly used to justify these stages. 25. These are all standard alchemical substances of the medieval period. 26. Islamic philosophers also made great contributions to alchemical hermeticism. 27. Throughout the 18th century, this could only be made by alchemical processes. 28. It is Coppelius, an obnoxious lawyer come to carry out alchemical experiments. 29. The first formulation is Christian, the second alchemical . 30. In more recent times, concept albums have been created around alchemical motifs.
