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Calx Luna
Metals minerals and metallic preparations · A Chymical Dictionary
At a Glance
The word. A silver preparation characterized through blue colour and flower vocabulary.
A place to read. The historical definition below, 1650 dictionary, unnumbered definition page 13; facsimile PDF page 341.
Historical Definition
Calx Luna is the azure flower of silver.
Meaning
The definition explicitly identifies silver and gives a coloured flower expression for its prepared form. “Flower” should be read within that material account rather than assumed to mean a botanical part. The entry does not provide a process sufficient to identify one modern silver compound.
The Calx group is varied: Calx Solis is calcined gold, while this entry uses azure-flower language. Cheiri offers further examples in which flower expressions concern metallic elixirs. Such comparisons help decode the vocabulary without making every metallic flower the same preparation.
Places to Read
Luna. The lunar name denotes silver.
Calx Solis. Gold distinguished by calcination.
Cheiri. A term whose sense depends on both subject matter and qualification.
Historical source: 1650 dictionary, unnumbered definition page 13; facsimile PDF page 341 — Facsimile
Sources. A Chymicall Dictionary (1650), s.v. Calx Luna ; compare Luna, Calx Solis, Cheiri
See also. Luna; Calx Solis; Cheiri