Loss of metalworking qualities

immalleabilia; fragilia; frangetur; decurtabitur; dura; inepta; immalleabilis; fragilis

Quicksilver is alleged to make metals unmalleable and brittle, and the iron rod is compared with glass in breaking.

From the book

Nine Books on the Nature of Things

Attributed to Paracelsus · Diotimos Editions · 2026

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Meaning

Quicksilver is alleged to make metals unmalleable and brittle, and the iron rod is compared with glass in breaking. Tin’s mixture later produces unmalleable, hard and unserviceable metals. These adjectives describe lost working qualities rather than merely altered colour. They illustrate why the preservation account includes force and usefulness as well as substance: a material can remain visibly present yet fail in the work expected of it.

Places to read

  1. Book 3 · Preservation · Passage 6Latin“immalleabilia, fragilia reddit”