Cast (replica)

A replica made by moulding an original and filling the mould with resin or plaster. Casts are legitimate teaching and display objects when labelled; sold as originals they are fakes.

Sources

AAPS — Code of Ethics
Mindat — Advice for people selling and sorting a mineral collection

Cite this article

Stratum Study. "Cast (replica)" (Glossary). Stratum Study pack 2026.09, as of 2026-09-16. https://stratum.black/study/glossary/cast. Accessed 2026-09-20.

BibTeX · CSL-JSON

@misc{stratum-cast,
  title        = {Cast (replica)},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/glossary/cast}},
  year         = {2026},
  note         = {Glossary article, Stratum Study pack 2026.09, as of 2026-09-16; sources: stratum. Accessed 2026-09-20.}
}

Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.