AlchemyHQ

The history, symbols, and secrets of the Great Work — fifty in-depth articles on the alchemical tradition, from ancient Egypt to the birth of modern chemistry.

Start with the Complete Guide

In-Depth Guides

Comprehensive overviews of the major topics — the best place to begin exploring the alchemical tradition.

Alchemy

A guide to alchemy: its origins, core principles, branches, famous practitioners, symbolism, and lasting influence on modern science.

Alchemical Symbols and Notation

A guide to alchemical symbols: planetary metals, the tria prima, process glyphs, color stages, dragons, and the ouroboros.

Famous Alchemists

Biographical survey of the most influential alchemists, from Hermes Trismegistus and Maria the Jewess to Jabir, Paracelsus, Newton, and modern practitioners.

The History of Alchemy

A history of alchemy from ancient Egypt through the Hellenistic world, the Islamic Golden Age, medieval Europe, and the Renaissance to modern chemistry.

The Philosopher's Stone

A guide to the philosopher's stone: its definition, preparation recipes, famous legends, and lasting cultural influence from medieval alchemy to today.

Transmutation

A guide to alchemical transmutation: its theoretical basis, the philosopher's stone, practical programs, and history from antiquity to modern physics.

Topic Deep Dives

Focused explorations of the traditions, doctrines, and figures that shaped two thousand years of alchemy.

Alchemy and Modern Science

The reassessment of alchemy's relationship to modern science: Newton's alchemical papers, the recovery of Boyle and Locke, and the alchemical contribution.

Alchemy and Religion

Alchemy's religious dimensions across Christian, Islamic, Jewish, Daoist, Hindu, and Buddhist traditions and the alchemist-priest figure.

Alchemy in Ancient Egypt and the Hellenistic World

Origins of alchemy in Greco-Roman Egypt: the Leiden and Stockholm papyri, Maria the Jewess, Zosimos of Panopolis, and the Hermetic tradition.

Alchemy in Art

Alchemical imagery from the Greek papyri through Splendor Solis, the Ripley Scroll, and Teniers to Jung's reception of alchemical symbols.

Alchemy vs Chemistry

The transition from alchemy to modern chemistry: shared laboratory origins, the qualitative-to-quantitative shift, and the reassessment debate.

Chinese Alchemy

Chinese alchemy from the Warring States and Han origins of *waidan* through Tang elixir cults to the Daoist internal alchemy of *neidan*.

Greek Alchemy

Greek alchemy: from its emergence in Alexandria through Zosimos's systematization to the tradition's preservation in Byzantine manuscripts.

Hermeticism

The Hermetic tradition: the philosophical and technical Hermetica, the Emerald Tablet, the principle 'as above so below,' and its Western influence.

Indian Alchemy

Indian alchemy: *rasāyana* medicine and *dhātuvāda* transmutation, mercury pharmacology, the tantric and Ayurvedic contexts, and Nagarjuna's lineage.

Isaac Newton and Alchemy

Isaac Newton's alchemical work: his manuscripts, the Index Chemicus, the relationship to his natural philosophy, and the modern reassessment.

Islamic Golden Age Alchemy

The Arabic alchemical tradition from Jabir and al-Razi through al-Majriti, the Brethren of Purity, and al-Jildaki, into Latin Europe.

Medieval European Alchemy

Medieval European alchemy: from the Arabic translations through the scholastic syntheses of Albert and Bacon to the Flamel legend and Ripley.

Paracelsus

Paracelsus: the Swiss physician and alchemist who revolutionized medicine with the *tria prima*, spagyric preparations, mineral remedies, and signatures.

Spagyric Alchemy

The spagyric art of separating and recombining plant and mineral principles: the Paracelsian tradition, the modern revival, and links to herbalism.

The Emerald Tablet of Hermes Trismegistus

The Emerald Tablet of Hermes Trismegistus: full Latin and English text, the principle of correspondence, and its history from Jabir to modern esotericism.

The Four Elements in Alchemy

The four elements in alchemy: earth, water, air, and fire, their qualities, the quintessence, and the planetary correspondences.

The Magnum Opus

The magnum opus or great work: producing the philosopher's stone through the four color stages of nigredo, albedo, citrinitas, and rubedo.

Tria Prima

The *tria prima* theory of mercury, sulfur, and salt: introduced by Jabir, systematized by Paracelsus, and used to explain matter and disease.