Glossary · Conservation

Bronze disease

Active chloride corrosion of copper alloys: powdery pale-green spots that spread in humid air and pit the metal.

Active chloride corrosion of copper alloys: powdery pale-green spots that spread in humid air and pit the metal. It is treatable but not curable, and it is the thing to look for on an ancient coin or fibula before buying (see the technique).

Sources

Cite this article

Stratum Study. "Bronze disease" (Glossary). Stratum Study pack 2026.09, as of 2026-09-16. https://stratum.black/study/glossary/bronze-disease-term. Accessed 2026-09-21.

@misc{stratum-bronze-disease-term,
  title        = {Bronze disease},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/glossary/bronze-disease-term}},
  year         = {2026},
  note         = {Glossary article, Stratum Study pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
}

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