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Diotimos Library · Esotericism & Spirituality Collection · English Edition

Gerhard Dorn and John French

A Chymical Dictionary

An Expanded Diotimos Lexicon of Paracelsian and Alchemical Language

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A Chymical DictionaryCalx Mercurii

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English Edition · Branch 89 of 740

Calx Mercurii

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A Chymical Dictionary

p. 89

Calx Mercurii

Metals minerals and metallic preparations · A Chymical Dictionary

At a Glance

The word. Mercury identified in a precipitated condition.

A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 13; facsimile PDF page 341.

Historical Definition

Calx Mercurii is precipitated Mercury.

Meaning

The operation is part of the material description. The entry does not equate all Mercury with this calx; it specifies a precipitated form. A historical account may distinguish the starting Mercury, its treatment and the product, and those stages should remain visible in modern English.

Mercurius metallorum præcipitatus offers a related qualified name, while Aquila records a use involving Mercury precipitated with gold. The present definition does not mention gold, so that qualification should not be imported without evidence from the actual passage.

Places to Read

Mercurius metallorum præcipitatus. A preparation specified by metallic extraction followed by precipitation.

Aquila. An eagle-name with more than one stated material meaning.

Mercurius Crudus. Mercury described before separation from its mineral source.

Historical source: 1650 dictionary, unnumbered definition page 13; facsimile PDF page 341 — Facsimile

Sources. A Chymicall Dictionary (1650), s.v. Calx Mercurii ; compare Mercurius metallorum præcipitatus, Aquila, Mercurius Crudus

See also. Mercurius metallorum præcipitatus; Aquila; Mercurius Crudus

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About This Reading Edition

The complete 706 historical definitions of the 1650 English dictionary, modernised and accompanied by expanded Diotimos commentary, reading routes, 15 textual notes and complete linked indexes.

Historical Text

A Chymicall Dictionary, London 1650, English version associated with John French, based on Gerhard Dorn’s Dictionarium Theophrasti Paracelsi. The containing volume also prints Sendivogius and Paracelsus; neither neighboring work changes this dictionary’s attribution.

About This Edition

Complete 706 definition paragraphs with new introduction, commentary, reading guides and indexes; Diotimos Editions, 2026.

Rights

The historical 1650 English text is in the public domain. New introduction, commentary, reading guides and indexes are © 2026 Diotimos Editions and published with the site owner’s authorization.