The Seventh Key of Basil Valentine from the "Twelve Keys of Basil Valentine," an influential alchemical work first published in 1599 by Johann Thölde. It discusses general alchemical principles. Each chapter, or "key," is an allegorical description of one step in the process of creating the philosopher's stone, a legendary alchemical substance capable of turning base metals into gold.

---

Seventh Key of Basil Valentine, 1599

---

Size: 3060px × 3066px
Location:
Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1599, 16th, 17th, alchemical, alchemist, alchemy, allegorical, allegory, art, basil, century, chapter, colorized, description, discusses, emblem, engraving, enhanced, general, history, influential, johann, justice, key, keys, legend, maier, medieval, michael, myth, person, philosopher, principles, published, scales, seventh, stone, symbol, twelve, valentine, woman, work, ölde