Alchemy
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Alchemy is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practised in China, India, the Muslim world, and Europe. In its Western form, alchemy is first attested in a number of pseudepigraphical texts written in Greco-Roman Egypt during the first few centuries AD.
Depiction of an Ouroboros from the alchemical treatise Aurora consurgens (15th century), Zentralbibliothek Zürich, Switzerland
Ambix, cucurbit and retort of Zosimos, from Marcelin Berthelot, Collection des anciens alchimistes grecs (3 vol., Paris, 1887–1888)
15th-century artistic impression of Jabir ibn Hayyan (Geber), Codici Ashburnhamiani 1166, Biblioteca Medicea Laurenziana, Florence
"An illuminated page from a book on alchemical processes and receipts", ca. 15th century
Alchemy in the medieval Islamic world refers to both traditional alchemy and early practical chemistry by Muslim scholars in the medieval Islamic world. The word alchemy was derived from the Arabic word كيمياء or kīmiyāʾ and may ultimately derive from the ancient Egyptian word kemi, meaning black.
Ibn Umail describes a statue of a sage holding the tablet of ancient alchemical knowledge. Illustration from a transcript of Muhammed ibn Umail al-Tamimi's book Al-mâ' al-waraqî (The Silvery Water), Islamic miniature probably from Baghdad, 608H/1211.