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  2. Alchemical symbol - Wikipedia

    en.wikipedia.org/wiki/Alchemical_symbol

    Alchemical symbols were used to denote chemical elements and compounds, as well as alchemical apparatus and processes, until the 18th century. Although notation was ...

  3. Alchemical Symbols (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Alchemical_Symbols...

    Alchemical Symbols is a Unicode block containing symbols for chemicals and substances used in ancient and medieval alchemy texts. Many of the symbols are duplicates or redundant with previous characters. [3] Few fonts support more than a few characters in this block as of 2021. One that does and is free for personal use is Symbola 14.0.

  4. Category:Alchemical symbols - Wikipedia

    en.wikipedia.org/wiki/Category:Alchemical_symbols

    This page was last edited on 1 September 2023, at 18:19 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. List of alchemical substances - Wikipedia

    en.wikipedia.org/wiki/List_of_alchemical_substances

    Glauber's salt – sodium sulfate.Na 2 SO 4; Sal alembroth – salt composed of chlorides of ammonium and mercury.; Sal ammoniac – ammonium chloride.; Sal petrae (Med. Latin: "stone salt")/salt of petra/saltpetre/nitrate of potash – potassium nitrate, KNO 3, typically mined from covered dungheaps.

  6. Classical element - Wikipedia

    en.wikipedia.org/wiki/Classical_element

    Seventeenth century alchemical emblem showing the four Classical elements in the corners of the image, alongside the tria prima on the central triangle The elemental system used in medieval alchemy was developed primarily by the anonymous authors of the Arabic works attributed to Pseudo Apollonius of Tyana . [ 40 ]

  7. Outline of alchemy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_alchemy

    The most influential names in the history of alchemy include: Hermes Trismegistus – by tradition, the founder of Western alchemy; many alchemical works were attributed to him. Wei Boyang – authored the earliest known book on theoretical alchemy in China. Pseudo-Democritus – anonymous author of the oldest extant works of Greco-Egyptian ...

  8. Caput mortuum - Wikipedia

    en.wikipedia.org/wiki/Caput_mortuum

    Alchemical symbol for caput mortuum. Caput mortuum (plural capita mortua; literally "dead head") is a Latin term used in alchemy to signify a useless substance left over from a chemical operation such as sublimation and the epitome of decline and decay (alternatively called nigredo).

  9. List of symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_symbols

    Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols) List of common physics notations (typically letters used as variable names in equations) Rod of Asclepius / Caduceus as a symbol of medicine