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  2. Philosopher's stone - Wikipedia

    en.wikipedia.org/wiki/Philosopher's_stone

    The philosopher's stone [a] is a mythic alchemical substance capable of turning base metals such as mercury into gold or silver; [b] it was also known as "the tincture" and "the powder". Alchemists additionally believed that it could be used to make an elixir of life which made possible rejuvenation and immortality .

  3. Chrysopoeia - Wikipedia

    en.wikipedia.org/wiki/Chrysopoeia

    In alchemy, the term chrysopoeia (from Ancient Greek χρυσοποιία (khrusopoiía) 'gold-making') refers to the artificial production of gold, most commonly by the alleged transmutation of base metals such as lead.

  4. Projection (alchemy) - Wikipedia

    en.wikipedia.org/wiki/Projection_(alchemy)

    Depiction of Sedziwój performing a transmutation for Sigismund III by Jan Matejko, 1867. Projection was the ultimate goal of Western alchemy.Once the philosopher's stone or powder of projection had been created, the process of projection would be used to transmute a lesser substance into a higher form; often lead into gold.

  5. Alchemy - Wikipedia

    en.wikipedia.org/wiki/Alchemy

    [1] [4] [5] [n 1] Common aims were chrysopoeia, the transmutation of "base metals" (e.g., lead) into "noble metals" (particularly gold); [1] the creation of an elixir of immortality; [1] and the creation of panaceas able to cure any disease. [6] The perfection of the human body and soul was thought to result from the alchemical magnum opus ...

  6. Nuclear transmutation - Wikipedia

    en.wikipedia.org/wiki/Nuclear_transmutation

    The term transmutation dates back to alchemy.Alchemists pursued the philosopher's stone, capable of chrysopoeia – the transformation of base metals into gold. [3] While alchemists often understood chrysopoeia as a metaphor for a mystical or religious process, some practitioners adopted a literal interpretation and tried to make gold through physical experimentation.

  7. File:Image-Metal-reflectance.png - Wikipedia

    en.wikipedia.org/wiki/File:Image-Metal...

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  8. Hennig Brand - Wikipedia

    en.wikipedia.org/wiki/Hennig_Brand

    The Alchemist Discovering Phosphorus (1771) by Joseph Wright depicting Hennig Brand discovering phosphorus (the glow shown is exaggerated). Hennig Brand (German pronunciation: [ˈhɛnɪç bʁant]; c. 1630 – c. 1692 or c. 1710) was a German alchemist who lived and worked in Hamburg.

  9. Gold parting - Wikipedia

    en.wikipedia.org/wiki/Gold_parting

    With the karat gold this low (6K), and over medium high heat, the dilute nitric acid will dissolve the Sterling silver (and other base metals in the karat gold) starting on the outside surface of the 6K gold alloy, working its way into the gold alloy, forming a honeycomb structure as it works its way into the metals.