Ferrarius (or Efferariaus or Eufarius) (ca. 1200)

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Ferrarius (or Efferariaus or Eufarius) (ca. 1200)

Italian alchemist, believed to have been an abbot or monk of Ferrara. His works on alchemy include De Lapide Philosophorum (The Philosophers' Stone) and Thesaurus Philosophiae, which is included in the collection Theatrum Chemicum (1659).

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