The following

outline Outline or outlining may refer to: * Outline (list), a document summary, in hierarchical list format * Code folding, a method of hiding or collapsing code or text to see content in outline form * Outline drawing, a sketch depicting the outer edge ...

is provided as an overview of and topical guide to alchemy:

Alchemy Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, ...

– A philosophical tradition recognized as protoscience, that includes the application of Hermetic principles, and practices related to mythology, religion, and spirituality.

Branches

Alchemy and chemistry in medieval Islam Alchemy in the medieval Islamic world refers to both traditional alchemy and early practical chemistry (the early chemical investigation of nature in general) by Muslim scholars in the medieval Islamic world. The word ''alchemy'' was deri ...

Chinese Alchemy Chinese alchemy is an ancient Chinese scientific and technological approach to alchemy, a part of the larger tradition of Taoist / Daoist body-spirit cultivation developed from the traditional Chinese understanding of medicine and the body. Accor ...

Neidan Neidan, or internal alchemy (), is an array of esoteric doctrines and physical, mental, and spiritual practices that Taoist initiates use to prolong life and create an immortal spiritual body that would survive after death. Also known as Jindan ...

Processing (Chinese materia medica) Processing (, or ) in Chinese ''materia medica'' (Chinese herbology) is the technique of altering the properties, sterilizing and removing poisons of crude medicines by processing using heat and combination with various materials in a kind of alchem ...

Iatrochemistry Iatrochemistry (; also known as chemiatria or chemical medicine) is a branch of both chemistry and medicine. Having its roots in alchemy, iatrochemistry seeks to provide chemical solutions to diseases and medical ailments. This area of science h ...

Spagyric Paracelsianism (also Paracelsism; German: ') was an early modern medical movement based on the theories and therapies of Paracelsus. It developed in the second half of the 16th century, during the decades following Paracelsus' death in 1541, an ...

New Age New Age is a range of spiritual or religious practices and beliefs which rapidly grew in Western society during the early 1970s. Its highly eclectic and unsystematic structure makes a precise definition difficult. Although many scholars conside ...

*Psychoanalysis **

Analytical psychology Analytical psychology ( de , Analytische Psychologie, sometimes translated as analytic psychology and referred to as Jungian analysis) is a term coined by Carl Jung, a Swiss psychiatrist, to describe research into his new "empirical science" ...

***

Individuation The principle of individuation, or ', describes the manner in which a thing is identified as distinct from other things. The concept appears in numerous fields and is encountered in works of Leibniz, Carl Gustav Jung, Gunther Anders, Gilbert Sim ...

Metacognition Metacognition is an awareness of one's thought processes and an understanding of the patterns behind them. The term comes from the root word '' meta'', meaning "beyond", or "on top of".Metcalfe, J., & Shimamura, A. P. (1994). ''Metacognition: knowi ...

Rasayana ''Rasāyana'' (रसायन) is a Sanskrit word literally meaning ''path'' (''ayana'') ''of essence'' (''rasa''). It is an early ayurvedic medical term referring to techniques for lengthening lifespans and invigorating the body. It is one of ...

Influences

Influences upon alchemy – alchemy developed dependent on a number of influences and experienced regional and period-specific variations: *

Aristotelianism Aristotelianism ( ) is a philosophical tradition inspired by the work of Aristotle, usually characterized by deductive logic and an analytic inductive method in the study of natural philosophy and metaphysics. It covers the treatment of the socia ...

Esotericism Western esotericism, also known as esotericism, esoterism, and sometimes the Western mystery tradition, is a term scholars use to categorise a wide range of loosely related ideas and movements that developed within Western society. These ideas a ...

Western Esotericism Western esotericism, also known as esotericism, esoterism, and sometimes the Western mystery tradition, is a term scholars use to categorise a wide range of loosely related ideas and movements that developed within Western society. These ideas a ...

***

Esoteric Christianity Esoteric Christianity is an approach to Christianity which features "secret traditions" that require an initiation to learn or understand.Guy G. Stroumsa (2005). Hidden Wisdom: Esoteric Traditions and the Roots of Christian Mysticism. Leiden: Br ...

Gnosticism Gnosticism (from grc, γνωστικός, gnōstikós, , 'having knowledge') is a collection of religious ideas and systems which coalesced in the late 1st century AD among Jewish Jews ( he, יְהוּדִים, , ) or Jewish people ...

Hermeticism Hermeticism, or Hermetism, is a philosophical system that is primarily based on the purported teachings of Hermes Trismegistus (a legendary Hellenistic combination of the Greek god Hermes and the Egyptian god Thoth). These teachings are containe ...

Humorism Humorism, the humoral theory, or humoralism, was a system of medicine detailing a supposed makeup and workings of the human body, adopted by Ancient Greek and Roman physicians and philosophers. Humorism began to fall out of favor in the 1850s ...

Metallurgy Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are known as alloys. Metallurgy encompasses both the sc ...

History of metallurgy in the Indian subcontinent The history of metallurgy in the Indian subcontinent began prior to the 3rd millennium BCE and continued well into the British Raj. Metals and related concepts were mentioned in various early Vedic age texts. The Rigveda already uses the Sanskrit ...

Platonism Platonism is the philosophy of Plato and philosophical systems closely derived from it, though contemporary platonists do not necessarily accept all of the doctrines of Plato. Platonism had a profound effect on Western thought. Platonism at le ...

Neoplatonism Neoplatonism is a strand of Platonism, Platonic philosophy that emerged in the 3rd century AD against the background of Hellenistic philosophy and Hellenistic religion, religion. The term does not encapsulate a set of ideas as much as a chain of ...

Pseudoscience Pseudoscience consists of statements, beliefs, or practices that claim to be both scientific and factual but are incompatible with the scientific method. Pseudoscience is often characterized by contradictory, exaggerated or falsifiability, unfa ...

Pythagoreanism Pythagoreanism originated in the 6th century BC, based on and around the teachings and beliefs held by Pythagoras and his followers, the Pythagoreans. Pythagoras established the first Pythagorean community in the Ancient Greece, ancient Greek col ...

Taoism Taoism (, ) or Daoism () refers to either a school of Philosophy, philosophical thought (道家; ''daojia'') or to a religion (道教; ''daojiao''), both of which share ideas and concepts of China, Chinese origin and emphasize living in harmo ...

Stoicism Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century Common Era, BCE. It is a philosophy of personal virtue ethics informed by its system of logic and its views on the natural world, asser ...

Related fields

Anthroposophy Anthroposophy is a spiritualist movement founded in the early 20th century by the esotericist Rudolf Steiner that postulates the existence of an objective, intellectually comprehensible spiritual world, accessible to human experience. Followers ...

Astrology Astrology is a range of Divination, divinatory practices, recognized as pseudoscientific since the 18th century, that claim to discern information about human affairs and terrestrial events by studying the apparent positions of Celestial o ...

Ayurveda Ayurveda () is an alternative medicine system with historical roots in the Indian subcontinent. The theory and practice of Ayurveda is pseudoscientific. Ayurveda is heavily practiced in India and Nepal, where around 80% of the population repo ...

Homeopathy Homeopathy or homoeopathy is a pseudoscientific system of alternative medicine. It was conceived in 1796 by the German physician Samuel Hahnemann. Its practitioners, called homeopaths, believe that a substance that causes symptoms of a dis ...

* Kayaku-Jutsu *

Magic Magic or Magick most commonly refers to: * Magic (supernatural), beliefs and actions employed to influence supernatural beings and forces * Ceremonial magic, encompasses a wide variety of rituals of magic * Magical thinking, the belief that unrela ...

, magick *

Moxibustion Moxibustion () is a traditional Chinese medicine therapy which consists of burning dried mugwort ('' wikt:moxa'') on particular points on the body. It plays an important role in the traditional medical systems of China, Japan, Korea, Vietnam, ...

* Tay al-Ard *

Yoga Nidra Yoga nidra ( sa, योग निद्रा, ) or yogic sleep in modern usage is a state of consciousness between waking and sleeping, typically induced by a guided meditation. A state called yoga nidra is mentioned in the Upanishads and the ...

Concepts

Fotothek df tg 0007129 Theosophie ^ Alchemie

Alchemical elements Classical elements typically refer to earth, water, air, fire, and (later) aether which were proposed to explain the nature and complexity of all matter in terms of simpler substances. Ancient cultures in Greece, Tibet, and India had simil ...

– Primarily the four

Classical element Classical elements typically refer to earth, water, air, fire, and (later) aether which were proposed to explain the nature and complexity of all matter in terms of simpler substances. Ancient cultures in Greece, Tibet, and India had simil ...

s of: **

Fire (classical element) Fire is one of the four classical elements along with earth, water and air in ancient Greek philosophy and science. Fire is considered to be both hot and dry and, according to Plato, is associated with the tetrahedron. Greek and Roman tradition F ...

Water (classical element) Water is one of the classical elements in ancient Greek philosophy along with air, earth and fire, in the Asian Indian system ''Panchamahabhuta'', and in the Chinese cosmological and physiological system ''Wu Xing''. In contemporary esoteric trad ...

Earth (classical element) Earth is one of the classical elements, in some systems being one of the four along with air, fire, and water. European tradition Earth is one of the four classical elements in ancient Greek philosophy and science. It was commonly associated wi ...

Air (classical element) Air is one of the four classical elements along with water, earth and fire in ancient Greek philosophy and in Western alchemy. Greek and Roman tradition According to Plato, it is associated with the octahedron; air is considered to be both hot ...

** For variations see:

Wu Xing Wuxing may refer to: Places in China Counties and districts *Huzhou, formerly Wuxing County, Zhejiang, China *Wuxing District (吴兴区), central district of Huzhou Subdistricts (五星街道) *Wuxing Subdistrict, Mudanjiang, in Dong'an District ...

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Mahābhūta ''Mahābhūta'' is Sanskrit and Pāli for "great element". However, very few scholars define the four mahābhūtas in a broader sense as the four fundamental aspects of physical reality. Hinduism In Hinduism's sacred literature, the "great" ...

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Five elements (Japanese philosophy) Godai are the five elements in Japanese Buddhist thought of earth (''chi''), water (''sui''), fire (''ka''), wind (''fu''), and void (''ku''). The concept is related to Buddhist Mahābhūta and came over China from India. The Japanese Buddhi ...

* Alchemy in art and entertainment *

Alkahest In Renaissance alchemy, alkahest was the theorized "universal solvent". It was supposed to be capable of dissolving any other substance, including gold, without altering or destroying its fundamental components. Among its philosophical and sp ...

Anima mundi The ''anima mundi'' (Greek: , ) or world soul is, according to several systems of thought, an intrinsic connection between all living beings, which relates to the world in much the same way as the soul is connected to the human body. Although ...

Chrysopoeia In alchemy, the term chrysopoeia (from Greek , ', "gold-making") refers to the artificial production of gold, most commonly by the alleged transmutation of base metals such as lead. A related term is argyropoeia (, ', "silver-making"), referring ...

Filius philosophorum The (Latin for "the philosophers' child", i.e. made by the true students of philosophy) is a symbol in alchemy. In some texts it is equated with the philosopher's stone (), but in others it assumes its own symbolic meanings. Other terms for th ...

Takwin Takwin ( ar, تكوين) was a goal of certain Muslim alchemists, notably Jabir ibn Hayyan. In the alchemical context, takwin refers to the creation of synthetic life in the laboratory, up to and including human life. Whether Jabir meant this goa ...

Homunculus A homunculus ( , , ; "little person") is a representation of a small human being, originally depicted as small statues made out of clay. Popularized in sixteenth-century alchemy and nineteenth-century fiction, it has historically referred to the ...

Philosopher's stone The philosopher's stone or more properly philosophers' stone (Arabic: حجر الفلاسفة, , la, lapis philosophorum), is a mythic alchemical substance capable of turning base metals such as mercury into gold (, from the Greek , "gold", a ...

Cintamani Cintāmaṇi (Sanskrit; Devanagari: चिंतामणि; Chinese language, Chinese: 如意寶珠; Pinyin: ''Rúyì bǎozhū''; Japanese Romanization of Japanese, Romaji: ''Nyoihōju; Tamil language, Tamil:சிந்தாமணி''), also ...

Elixir of life The elixir of life, also known as elixir of immortality, is a potion that supposedly grants the drinker eternal life and/or eternal youth. This elixir was also said to cure all diseases. Alchemists in various ages and cultures sought the means ...

Panacea In Greek mythology, Panacea (Greek ''Πανάκεια'', Panakeia), a goddess of universal remedy, was the daughter of Asclepius and Epione. Panacea and her four sisters each performed a facet of Apollo's art: * Panacea (the goddess of universal ...

* Prima materia ** Yliaster *Septenary of the seven metals and

Classical planets in Western alchemy In classical antiquity, the seven classical planets or seven luminaries are the seven moving astronomical objects in the sky visible to the naked eye: the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn. The word ''planet'' comes from ...

Lead Lead is a chemical element with the symbol Pb (from the Latin ) and atomic number 82. It is a heavy metal that is denser than most common materials. Lead is soft and malleable, and also has a relatively low melting point. When freshly cu ...

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tin Tin is a chemical element with the symbol Sn (from la, stannum) and atomic number 50. Tin is a silvery-coloured metal. Tin is soft enough to be cut with little force and a bar of tin can be bent by hand with little effort. When bent, t ...

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copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...

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iron Iron () is a chemical element with symbol Fe (from la, ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, right in f ...

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mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Merc ...

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silver Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, whi ...

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gold Gold is a chemical element with the symbol Au (from la, aurum) and atomic number 79. This makes it one of the higher atomic number elements that occur naturally. It is a bright, slightly orange-yellow, dense, soft, malleable, and ductile met ...

Saturn Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; h ...

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Jupiter Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a mass more than two and a half times that of all the other planets in the Solar System combined, but ...

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Venus Venus is the second planet from the Sun. It is sometimes called Earth's "sister" or "twin" planet as it is almost as large and has a similar composition. As an interior planet to Earth, Venus (like Mercury) appears in Earth's sky never fa ...

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Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury (planet), Mercury. In the English language, Mars is named for the Mars (mythology), Roman god of war. Mars is a terr ...

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Mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Merc ...

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Moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

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Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...

*Tria Prima (three primes) **

Salt Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantitie ...

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sulfur Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula ...

Body Body may refer to: In science * Physical body, an object in physics that represents a large amount, has mass or takes up space * Body (biology), the physical material of an organism * Body plan, the physical features shared by a group of anima ...

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soul In many religious and philosophical traditions, there is a belief that a soul is "the immaterial aspect or essence of a human being". Etymology The Modern English noun ''soul'' is derived from Old English ''sāwol, sāwel''. The earliest attes ...

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spirit Spirit or spirits may refer to: Liquor and other volatile liquids * Spirits, a.k.a. liquor, distilled alcoholic drinks * Spirit or tincture, an extract of plant or animal material dissolved in ethanol * Volatile (especially flammable) liquids, ...

Unity of opposites The unity of opposites is the central category of dialectics, said to be related to the notion of non-duality in a deep sense.

or ''coincidentia oppositorum'' **

Hieros Gamos ''Hieros gamos'', hieros (ἱερός) meaning "holy" or "sacred" and gamos (γάμος) meaning marriage, or Hierogamy (Greek , "holy marriage"), is a sacred marriage that plays out between a god and a goddess, especially when enacted in a symb ...

Rebis The Rebis (from the Latin ''res bina'', meaning dual or double matter) is the end product of the alchemical ''magnum opus'' or great work. After one has gone through the stages of putrefaction and purification, separating opposing qualities, t ...

Processes

Magnum opus A masterpiece, ''magnum opus'' (), or ''chef-d’œuvre'' (; ; ) in modern use is a creation that has been given much critical praise, especially one that is considered the greatest work of a person's career or a work of outstanding creativity, ...

– great work of alchemy consisting of: *

Nigredo In alchemy, nigredo, or blackness, means putrefaction or decomposition. Many alchemists believed that as a first step in the pathway to the philosopher's stone, all alchemical ingredients had to be cleansed and cooked extensively to a uniform blac ...

Albedo Albedo (; ) is the measure of the diffuse reflection of sunlight, solar radiation out of the total solar radiation and measured on a scale from 0, corresponding to a black body that absorbs all incident radiation, to 1, corresponding to a body ...

Citrinitas Citrinitas, or sometimes xanthosis,Joseph Needham. ''Science & Civilisation in China: Chemistry and chemical technology. Spagyrical discovery and invention : magisteries of gold and immortality.'' Cambridge. 1974. p.23 is a term given by alchemists ...

(sometimes excluded) *

Rubedo Rubedo is a Latin word meaning "redness" that was adopted by alchemists to define the fourth and final major stage in their magnum opus. Both gold and the philosopher's stone were associated with the color red, as rubedo signaled alchemical succe ...

Alchemists also engaged in practical and symbolic processes including: *

Calcination Calcination refers to thermal treatment of a solid chemical compound (e.g. mixed carbonate ores) whereby the compound is raised to high temperature without melting under restricted supply of ambient oxygen (i.e. gaseous O2 fraction of air), genera ...

Ceration Ceration is a chemical process, a common practice in alchemy. It is performed by continuously adding a liquid by imbibition to a hard, dry substance while it is heated. Typically, this treatment makes the substance softer, more like molten wax ('' ...

Cohobation In pre-modern chemistry and alchemy, cohobation was the process of repeated distillation of the same matter, with the liquid drawn from it; that liquid being poured again and again upon the matter left at the bottom of the vessel. Cohobation is a ...

Congelation Congelation (from Latin: , ) was a term used in medieval and early modern alchemy for the process known today as crystallization. In the ('The Secret of Alchemy') attributed to Khalid ibn Yazid (), it is one of "the four principal operations", ...

Digestion Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma. In certain organisms, these smaller substances are absorbed through the small intest ...

Distillation Distillation, or classical distillation, is the process of separation process, separating the components or substances from a liquid mixture by using selective boiling and condensation, usually inside an apparatus known as a still. Dry distilla ...

Fermentation Fermentation is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it is narrowly defined as the extraction of energy from carbohydrates in the absence of oxygen. In food ...

Filtration Filtration is a physical separation process that separates solid matter and fluid from a mixture using a ''filter medium'' that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter ...

* Fixation *

Multiplication Multiplication (often denoted by the cross symbol , by the mid-line dot operator , by juxtaposition, or, on computers, by an asterisk ) is one of the four elementary mathematical operations of arithmetic, with the other ones being additi ...

Projection Projection, projections or projective may refer to: Physics * Projection (physics), the action/process of light, heat, or sound reflecting from a surface to another in a different direction * The display of images by a projector Optics, graphic ...

Solution Solution may refer to: * Solution (chemistry), a mixture where one substance is dissolved in another * Solution (equation), in mathematics ** Numerical solution, in numerical analysis, approximate solutions within specified error bounds * Soluti ...

* Sublimation

Symbolism

Fotothek df tg 0006104 Theosophie ^ Alchemie ^ Judentum ^ Kabbala

Alchemical symbol Alchemical symbols, originally devised as part of alchemy, were used to denote some elements and some compounds until the 18th century. Although notation like this was mostly standardized, style and symbol varied between alchemists, so this pag ...

– 1.

Glyphs A glyph () is any kind of purposeful mark. In typography, a glyph is "the specific shape, design, or representation of a character". It is a particular graphical representation, in a particular typeface, of an element of written language. A g ...

AGLA AGLA () is a magic word that appears in some Incantation, charms. Its meaning is unsettled, but is widely repeated to be a ''Notarikon, noṭariqōn'' (kabbalistic acronym) for ''ʾAtā gībōr ləʿōlām ʾĂḏōnāy'', "Thou, O Lord, art migh ...

* Monas Hieroglyphica 2.

Imagery Imagery is visual symbolism, or figurative language that evokes a mental image or other kinds of sense impressions, especially in a literary work, but also in other activities such as psychotherapy. Forms There are five major types of sensory ima ...

* Suns in alchemy *

Undine (alchemy) Undines (; also ondines) are a category of elemental beings associated with water, stemming from the alchemical writings of Paracelsus. Later writers developed the undine into a water nymph in its own right, and it continues to live in modern li ...

3. Visual

Symbol A symbol is a mark, sign, or word that indicates, signifies, or is understood as representing an idea, object, or relationship. Symbols allow people to go beyond what is known or seen by creating linkages between otherwise very different conc ...

ism *

Porta Alchemica The Alchemical Door, also known as the Alchemy Gate or Magic Portal ( it, Porta Alchemica or ''Porta Magica''), is a monument built between 1678 and 1680 by Massimiliano Palombara, marquis of Pietraforte, in his residence, the , which was located ...

Serpent (symbolism) The serpent, or snake, is one of the oldest and most widespread mythological symbols. The word is derived from Latin ''serpens'', a crawling animal or snake. Snakes have been associated with some of the oldest rituals known to mankind and represent ...

Caduceus The caduceus (☤; ; la, cādūceus, from grc-gre, κηρύκειον "herald's wand, or staff") is the staff carried by Hermes in Greek mythology and consequently by Hermes Trismegistus in Greco-Egyptian mythology. The same staff was also ...

Ouroboros The ouroboros or uroboros () is an ancient symbol depicting a serpent or dragon eating its own tail. The ouroboros entered Western tradition via ancient Egyptian iconography and the Greek magical tradition. It was adopted as a symbol in Gnost ...

Nehushtan In the biblical Books of Kings ( 2 Kings 18:4; written c. 550 BC), the Nehushtan (Hebrew: ''Nəḥuštān'' ) is the name given to the bronze image of a serpent on a pole. The image is described in the Book of Numbers, where Yahweh instructed M ...

Scientific connections

Fotothek df tg 0006526 Alchemie ^ Chemie ^ Gefäß

* Biological transmutation *

Chemistry Chemistry is the science, scientific study of the properties and behavior of matter. It is a natural science that covers the Chemical element, elements that make up matter to the chemical compound, compounds made of atoms, molecules and ions ...

Historicism Historicism is an approach to explaining the existence of phenomena, especially social and cultural practices (including ideas and beliefs), by studying their history, that is, by studying the process by which they came about. The term is widely u ...

Nuclear transmutation Nuclear transmutation is the conversion of one chemical element or an isotope into another chemical element. Nuclear transmutation occurs in any process where the number of protons or neutrons in the nucleus of an atom is changed. A transmutatio ...

Obsolete scientific theories This list catalogs well-accepted theories in science and pre-scientific natural philosophy and natural history which have since been superseded by scientific theories. Many discarded explanations were once supported by a scientific consensus, b ...

Physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...

Scientific method The scientific method is an empirical method for acquiring knowledge that has characterized the development of science since at least the 17th century (with notable practitioners in previous centuries; see the article history of scientific m ...

* Synthesis of noble metals

Substances of the alchemists

phosphorus Phosphorus is a chemical element with the symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Ear ...

• sulfur (sulphur) •

arsenic Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic occurs in many minerals, usually in combination with sulfur and metals, but also as a pure elemental crystal. Arsenic is a metalloid. It has various allotropes, but ...

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antimony Antimony is a chemical element with the symbol Sb (from la, stibium) and atomic number 51. A lustrous gray metalloid, it is found in nature mainly as the sulfide mineral stibnite (Sb2S3). Antimony compounds have been known since ancient time ...

vitriol Vitriol is the general chemical name encompassing a class of chemical compound comprising sulfates of certain metalsoriginally, iron or copper. Those mineral substances were distinguished by their color, such as green vitriol for hydrated iron(II ...

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quartz Quartz is a hard, crystalline mineral composed of silica (silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical form ...

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cinnabar Cinnabar (), or cinnabarite (), from the grc, κιννάβαρι (), is the bright scarlet to brick-red form of Mercury sulfide, mercury(II) sulfide (HgS). It is the most common source ore for refining mercury (element), elemental mercury and ...

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pyrites The mineral pyrite (), or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula Fe S2 (iron (II) disulfide). Pyrite is the most abundant sulfide mineral. Pyrite's metallic luster and pale brass-yellow hue giv ...

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orpiment Orpiment is a deep-colored, orange-yellow arsenic sulfide mineral with formula . It is found in volcanic fumaroles, low-temperature hydrothermal veins, and hot springs and is formed both by sublimation and as a byproduct of the decay of another a ...

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galena Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead and an important source of silver. Galena is one of the most abundant and widely distributed sulfide minerals. It cryst ...

* magnesia •

lime Lime commonly refers to: * Lime (fruit), a green citrus fruit * Lime (material), inorganic materials containing calcium, usually calcium oxide or calcium hydroxide * Lime (color), a color between yellow and green Lime may also refer to: Botany ...

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potash Potash () includes various mined and manufactured salts that contain potassium in water-soluble form.

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natron Natron is a naturally occurring mixture of sodium carbonate decahydrate ( Na2CO3·10H2O, a kind of soda ash) and around 17% sodium bicarbonate (also called baking soda, NaHCO3) along with small quantities of sodium chloride and sodium sulfate. N ...

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saltpetre Potassium nitrate is a chemical compound with the chemical formula . This alkali metal nitrate salt is also known as Indian saltpetre (large deposits of which were historically mined in India). It is an ionic salt of potassium ions K+ and nitra ...

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kohl Kohl may refer to: *Kohl (cosmetics), an ancient eye cosmetic *Kohl (surname), including a list of people with the surname *Kohl's Kohl's (stylized in all caps) is an American department store retail chain, operated by Kohl's Corporation. ...

ammonia Ammonia is an inorganic compound of nitrogen and hydrogen with the formula . A stable binary hydride, and the simplest pnictogen hydride, ammonia is a colourless gas with a distinct pungent smell. Biologically, it is a common nitrogenous was ...

• ammonium chloride •

alcohol Alcohol most commonly refers to: * Alcohol (chemistry), an organic compound in which a hydroxyl group is bound to a carbon atom * Alcohol (drug), an intoxicant found in alcoholic drinks Alcohol may also refer to: Chemicals * Ethanol, one of sev ...

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camphor Camphor () is a waxy, colorless solid with a strong aroma. It is classified as a terpenoid and a cyclic ketone. It is found in the wood of the camphor laurel ('' Cinnamomum camphora''), a large evergreen tree found in East Asia; and in the k ...

* sulfuric acid (sulphuric acid) •

hydrochloric acid Hydrochloric acid, also known as muriatic acid, is an aqueous solution of hydrogen chloride. It is a colorless solution with a distinctive pungent smell. It is classified as a strong acid Acid strength is the tendency of an acid, symbol ...

•

nitric acid Nitric acid is the inorganic compound with the formula . It is a highly corrosive mineral acid. The compound is colorless, but older samples tend to be yellow cast due to decomposition into oxides of nitrogen. Most commercially available nitri ...

•

acetic acid Acetic acid , systematically named ethanoic acid , is an acidic, colourless liquid and organic compound with the chemical formula (also written as , , or ). Vinegar is at least 4% acetic acid by volume, making acetic acid the main component ...

•

formic acid Formic acid (), systematically named methanoic acid, is the simplest carboxylic acid, and has the chemical formula HCOOH and structure . It is an important intermediate in chemical synthesis and occurs naturally, most notably in some ants. Es ...

•

citric acid Citric acid is an organic compound with the chemical formula HOC(CO2H)(CH2CO2H)2. It is a colorless weak organic acid. It occurs naturally in citrus fruits. In biochemistry, it is an intermediate in the citric acid cycle, which occurs in t ...

•

tartaric acid Tartaric acid is a white, crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds, and citrus. Its salt, potassium bitartrate, commonly known as cream of tartar, develops naturally i ...

* aqua regia •

gunpowder Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate (saltpeter). ...

blue vitriol Copper(II) sulfate, also known as copper sulphate, is an inorganic compound with the chemical formula . It forms hydrates , where ''n'' can range from 1 to 7. The pentahydrate (''n'' = 5), a bright blue crystal, is the most commonly encountered hy ...

•

green vitriol Iron(II) sulfate (British English: iron(II) sulphate) or ferrous sulfate denotes a range of salts with the formula Fe SO4·''x''H2O. These compounds exist most commonly as the hepta hydrate (''x'' = 7) but several values for x are kno ...

•

vinegar Vinegar is an aqueous solution of acetic acid and trace compounds that may include flavorings. Vinegar typically contains 5–8% acetic acid by volume. Usually, the acetic acid is produced by a double fermentation, converting simple sugars to et ...

•

salt Salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in the form of a natural crystalline mineral is known as rock salt or halite. Salt is present in vast quantitie ...

more...

Apparatus

Stills *

Alembic An alembic (from ar, الإنبيق, al-inbīq, originating from grc, ἄμβιξ, ambix, 'cup, beaker') is an alchemical still consisting of two vessels connected by a tube, used for distillation of liquids. Description The complete disti ...

Retort In a chemistry laboratory, a retort is a device used for distillation or dry distillation of substances. It consists of a spherical vessel with a long downward-pointing neck. The liquid to be distilled is placed in the vessel and heated. The n ...

Retort stand In chemistry, a retort stand, also called a clamp stand,Laboratory-Equipment.com (2020):Large Clamp Stand, for Q700. Online catalog item 5323-07. Accessed on 202-02-18. a ring stand, or a support stand,Fischer Scientific (2020):American Education ...

Vessels *

Aludel An aludel ( ar, ﺍﻟﻮﺛﻞ from Greek , 'smoky, sooty, burnt-colored') is a subliming pot used in alchemy. The term refers to a range of earthen tubes, or pots without bottoms, fitted one over another, and diminishing as they advance towa ...

Crucible A crucible is a ceramic or metal container in which metals or other substances may be melted or subjected to very high temperatures. While crucibles were historically usually made from clay, they can be made from any material that withstands te ...

Hessian crucible A Hessian crucible is a type of ceramic crucible that was manufactured in the Hesse region of Germany from the late Middle Ages through the Renaissance period. They were renowned for their ability to withstand very high temperatures, rapid changes ...

* Cupels *

Mortar and pestle Mortar and pestle is a set of two simple tools used from the Stone Age to the present day to prepare ingredients or substances by crushing and grinding them into a fine paste or powder in the kitchen, laboratory, and pharmacy. The ''mortar'' () ...

Heating devices *

Athanor In alchemy, an athanor ( ar, التنور, ''at-tannūr'') is a furnace used to provide a uniform and constant heat for alchemical digestion. Etymologically, it descends from a number of Arabic texts of the period of the Califate which use the t ...

Bain-marie A bain-marie (; also known as a water bath or double boiler), a type of heated bath, is a piece of equipment used in science, industry, and cooking to heat materials gently or to keep materials warm over a period of time. A bain-marie is also us ...

Sand bath A sand bath is a common piece of laboratory equipment made from a container filled with heated sand. It is used to evenly heat another container, most often during a chemical reaction. A sand bath is most commonly used in conjunction with a hot ...

Alchemy organizations

Bibliotheca Philosophica Hermetica Bibliotheca Philosophica Hermetica (BPH) or The Ritman Library is a private Dutch library founded by Joost Ritman located in the Huis met de Hoofden (House with the Heads) at Keizersgracht 123, in the center of Amsterdam. The Bibliotheca Philosop ...

European Society for the Study of Western Esotericism The European Society for the Study of Western Esotericism (ESSWE) is Europe's only scholarly society for the study of Western esotericism. Founded in 2002, the society promotes academic study of the various manifestations of Western esotericism f ...

Freemasonry Freemasonry or Masonry refers to fraternal organisations that trace their origins to the local guilds of stonemasons that, from the end of the 13th century, regulated the qualifications of stonemasons and their interaction with authorities ...

Rosicrucianism Rosicrucianism is a spiritual and cultural movement that arose in Europe in the early 17th century after the publication of several texts purported to announce the existence of a hitherto unknown esoteric order to the world and made seeking its ...

Alchemical texts

* Axiom of Maria *''

Alchemical Studies ''Alchemical Studies'', volume 13 in '' The Collected Works of C. G. Jung'', consists of five long essays by Carl Jung that trace his developing interest in alchemy from 1929 onward. Serving as an introduction and supplement to his major works on ...

'' (Carl Jung) *'' Aurora consurgens'' *''

Buch der heiligen Dreifaltigkeit The ''Buch der heiligen Dreifaltigkeit'' ("Book of the Holy Trinity") is an early 15th-century alchemical treatise, attributed to Frater Ulmannus (latinization of the German given name ''Ulmann'', from OHG '' uodal-man''), a German Franciscan. T ...

'' *''

Cantong qi The ''Cantong qi'' is deemed to be the earliest book on Taoist alchemy in China. The title has been variously translated as ''Kinship of the Three'', ''Akinness of the Three'', ''Triplex Unity'', ''The Seal of the Unity of the Three'', and in se ...

'' *''

Chymical Wedding of Christian Rosenkreutz The ''Chymical Wedding of Christian Rosenkreutz'' (german: Chymische Hochzeit Christiani Rosencreutz anno 1459) is a German book edited in 1616 in Strasbourg. Its anonymous authorship is attributed to Johann Valentin Andreae. The ''Chymical Wedd ...

'' *''

Hermetica The ''Hermetica'' are texts attributed to the legendary Hellenistic figure Hermes Trismegistus, a syncretic combination of the Greek god Hermes and the Egyptian god Thoth. These texts may vary widely in content and purpose, but are usually subd ...

'' **''

Emerald Tablet The ''Emerald Tablet'', also known as the ''Smaragdine Tablet'' or the ''Tabula Smaragdina'' (Latin, from the Arabic: , ''Lawḥ al-zumurrudh''), is a compact and cryptic Hermetic text. It was highly regarded by Islamic and European alchemists a ...

'' ** ''Sirr al-khalīqa'' ("The Secret of Creation") *'' The Hermetical Triumph'' *''

Fasciculus Chemicus ''Fasciculus Chemicus'' or ''Chymical Collections. Expressing the Ingress, Progress, and Egress, of the Secret Hermetick Science out of the choicest and most famous authors'' is an anthology of alchemical writings compiled by Arthur Dee (1579–1 ...

'' *''

Musaeum Hermeticum ''Musaeum Hermeticum'' ("Hermetic library") is a compendium of alchemical texts first published in German, in Frankfurt, 1625 by Lucas Jennis. Additional material was added for the 1678 Latin edition, which in turn was reprinted in 1749. __NOTOC ...

'' *''

Mutus Liber The ''Mutus Liber'', or ''Mute Book'' (from la, Silent Book), is a Hermetic philosophical work published in La Rochelle in 1677. It ranks amongst the major books on alchemy in Early Modern literature, just as much as does ''Atalanta Fugiens'' b ...

'' *''

Rosary of the Philosophers ''The Rosary of the Philosophers'' (''Rosarium philosophorum sive pretiosissimum donum Dei'') is a 16th-century alchemical treatise. It was published in 1550 as part II of ''De Alchimia Opuscula complura veterum philosophorum'' (Frankfurt). The t ...

'' *''

Splendor Solis ''Splendor Solis'' ("The Splendour of the Sun") is a version of the illuminated alchemical text attributed to Salomon Trismosin. This version dates from around 1582. The earliest version, written in Central German, is dated 1532–1535 and is ...

'' *''

Theatrum Chemicum (''"Chemical Theatre"'') is a compendium of early alchemical writings published in six volumes over the course of six decades. The first three volumes were published in 1602, while the final sixth volume was published in its entirety in 1661. re ...

'' *''

Theatrum Chemicum Britannicum ''Theatrum Chemicum Britannicum'' first published in 1652, is an extensively annotated compilation of English alchemical literature selected by Elias Ashmole. The book preserved and made available many works that had previously existed only in pr ...

'' *'' The Mirror of Alchimy'' *''

Turba Philosophorum The ''Turba Philosophorum'', also known as ''Assembly of the Philosophers'', is one of the oldest European alchemy texts, translated from the Arabic, like the Picatrix. It is considered to have been written c. 900 A.D. The text To quote Plessner, ...

Journals

*''

Ambix ''Ambix'' is a peer-reviewed academic journal on the history of alchemy and chemistry; it was founded in 1936 and has appeared continuously from 1937 to the present, other than from 1939 to 1945 during World War II. It is currently published by the ...

'' *''

Aries Aries may refer to: *Aries (astrology), an astrological sign *Aries (constellation), a constellation of stars in the zodiac Arts, entertainment and media * ''Aries'' (album), by Luis Miguel, 1993 * ''Aries'' (EP), by Alice Chater, 2020 * "Aries" ...

'' *''

Early Science and Medicine ''Early Science and Medicine'' is a peer-reviewed academic journal of the history of science and medicine. The editor-in-chief is Christoph Lüthy of Radboud University, Nijmegen. The journal is published by Brill and indexed in Arts and Humaniti ...

'' *''

Isis Isis (; ''Ēse''; ; Meroitic: ''Wos'' 'a''or ''Wusa''; Phoenician: 𐤀𐤎, romanized: ʾs) was a major goddess in ancient Egyptian religion whose worship spread throughout the Greco-Roman world. Isis was first mentioned in the Old Kingd ...

Alchemists

The most influential names in the history of alchemy include: *

Hermes Trismegistus Hermes Trismegistus (from grc, Wiktionary:Ἑρμῆς, Ἑρμῆς ὁ Τρισμέγιστος, "Hermes the Thrice-Greatest"; Classical Latin: la, label=none, Mercurius ter Maximus) is a legendary Hellenistic figure that originated as a Syn ...

– by tradition, the founder of Western alchemy; many alchemical works were attributed to him. *

Wei Boyang Wei Boyang () was a notable Chinese writer and Taoist alchemist of the Eastern Han Dynasty. He is the author of '' The Kinship of the Three'', and is noted as the first person to have documented the chemical composition of gunpowder in 142 AD.Pe ...

– authored the earliest known book on theoretical alchemy in China. *

Pseudo-Democritus Pseudo-Democritus is the name used by scholars for the anonymous authors of a number of Greek writings that were falsely attributed to the pre-Socratic philosopher Democritus ( 460–370 BC). Several of these writings, most notably the ...

– anonymous author of the oldest extant works of Greco-Egyptian alchemy. *

Zosimos of Panopolis Zosimos of Panopolis ( el, Ζώσιμος ὁ Πανοπολίτης; also known by the Latin name Zosimus Alchemista, i.e. "Zosimus the Alchemist") was a Greco-Egyptian alchemist and Gnostic mystic who lived at the end of the 3rd and beginning ...

– influential Greco-Egyptian alchemist. * Khālid ibn Yazīd – credited with introducing alchemy to the Islamic world. * Pseudo-Apollonius of Tyana – earliest known source of the

sulfur-mercury theory of metals Abū Mūsā Jābir ibn Ḥayyān (Arabic: , variously called al-Ṣūfī, al-Azdī, al-Kūfī, or al-Ṭūsī), died 806−816, is the purported author of an enormous number and variety of works in Arabic, often called the Jabirian corpus. The ...

and the ''

''. *

Jābir ibn Hayyān Abū Mūsā Jābir ibn Ḥayyān (Arabic: , variously called al-Ṣūfī, al-Azdī, al-Kūfī, or al-Ṭūsī), died 806−816, is the purported author of an enormous number and variety of works in Arabic, often called the Jabirian corpus. The ...

– notable for the theory of the balance (''ʿilm al-mīzān''), the theory of artificial generation ( ''ʿilm al-takwīn''), and a general emphasis on experimental science. **

Pseudo-Geber Pseudo-Geber (or "Latin pseudo-Geber") is the presumed author or group of authors responsible for a corpus of pseudepigraphic alchemical writings dating to the late 13th and early 14th centuries. These writings were falsely attributed to Jabir ...

– later Latin alchemist who wrote the influential ''Summa perfectionis''. *

Roger Bacon Roger Bacon (; la, Rogerus or ', also '' Rogerus''; ), also known by the scholastic accolade ''Doctor Mirabilis'', was a medieval English philosopher and Franciscan friar who placed considerable emphasis on the study of nature through empiri ...

– staunch proponent of the use of alchemy. *

Paracelsus Paracelsus (; ; 1493 – 24 September 1541), born Theophrastus von Hohenheim (full name Philippus Aureolus Theophrastus Bombastus von Hohenheim), was a Swiss physician, alchemist, lay theologian, and philosopher of the German Renaissance. He w ...

– developer of iatrochemistry. *

Robert Boyle Robert Boyle (; 25 January 1627 – 31 December 1691) was an Anglo-Irish natural philosopher, chemist, physicist, alchemist and inventor. Boyle is largely regarded today as the first modern chemist, and therefore one of the founders of ...

– alchemist critical of Paracelsus, credited as the father of modern chemistry. *

Mary Anne Atwood Mary Anne Atwood (née South) (1817 – 1910) was an English writer on hermeticism and spiritual alchemy. Life Atwood was born in Dieppe, France but grew up in Gosport, Hampshire. Her father, Thomas South, was a researcher into the history of ...

– key figure in the occult revival of alchemy. *

Carl Jung Carl Gustav Jung ( ; ; 26 July 1875 – 6 June 1961) was a Swiss psychiatrist and psychoanalyst who founded analytical psychology. Jung's work has been influential in the fields of psychiatry, anthropology, archaeology, literature, philo ...

– merged alchemy and psychoanalytic thought.

External links

SHAC: Society for the History of Alchemy and Chemistry

ESSWE: European Society for the Study of Western Esotericism

Association for the Study of Esotericism

The Alchemy Website.
–

Adam McLean Adam McLean (born 7 March 1948 in Glasgow) is a Scottish writer on alchemical texts and symbolism. In 1978 he founded the ''Hermetic Journal'' which he published until 1992 during which time he also started publishing the ''Magnum Opus Hermetic ...

's online collections and academic discussion.
Inner Garden Alchemy Research Group: a non-profit foundation that aims to transmit the alchemical tradition.
*
''Dictionary of the History of Ideas'':
Alchemy

– A digital exhibition from th
Beinecke Rare Book and Manuscript Library at Yale University
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Symbolism

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Substances of the alchemists

Apparatus

Alchemy organizations

Alchemical texts

Journals

Alchemists

See also

External links