Philosopher's stone
legendary alchemical substance

The philosopher's stone is a mythic alchemical substance capable of turning base metals such as lead and mercury into gold or silver; it was also known as "the tincture" and "the powder" as well as "red lion" for gold and "white lion" for silver. Alchemists additionally believed that it could be used to make an elixir of life which made possible rejuvenation and immortality.
For many centuries, it was the most sought-after goal in alchemy. The philosopher's stone was the central symbol of the mystical terminology of alchemy, symbolizing perfection at its finest, divine illumination, and heavenly bliss. Efforts to discover the philosopher's stone were known as the Magnum Opus ("Great Work").
Antiquity
The earliest known written mention of the philosopher's stone is in the Cheirokmeta by Zosimos of Panopolis (c. 300 AD). Alchemical writers assign a longer history. Elias Ashmole and the anonymous author of Gloria Mundi (1620) claim that its history goes back to Adam, who acquired the knowledge of the stone directly from God. This knowledge was said to have been passed down through biblical patriarchs, giving them their longevity.
The theoretical roots outlining the stone's creation can be traced to Greek philosophy.
“Philosopher's stone” enters the record as legendary alchemical substance. Crown Archives preserves that source wording while asking what Philosopher's, stone and legendary can confirm, complicate or overturn.
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This entry incorporates text from “Philosopher's stone” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.