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Glossary · Curation

Pyrite decay

Oxidation of pyrite and marcasite in humid air to iron sulphates and sulphuric acid, cracking the specimen and attacking labels and neighbours; controlled only by dry storage (below about 30–45 % RH).

Oxidation of pyrite and marcasite in humid air to iron sulphates and sulphuric acid, cracking the specimen and attacking labels and neighbours; controlled only by dry storage (below about 30–45 % RH).

Sources

Cite this article

Stratum Strata. "Pyrite decay" (Glossary). Stratum Strata pack 2026.09, as of 2026-09-16. https://stratum.black/strata/glossary/pyrite-decay-term. Accessed 2026-09-21.

BibTeX · CSL-JSON

@misc{stratum-pyrite-decay-term,
  title        = {Pyrite decay},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/glossary/pyrite-decay-term}},
  year         = {2026},
  note         = {Glossary article, Stratum Strata pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-21.}
}

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