Mineral · Apatite group
Pyromorphite
Pb5(PO4)3Cl
Pyromorphite is lead chlorophosphate, the green to yellow hexagonal barrels and hopper prisms of the Bunker Hill Mine (Idaho), Daoping (China), Les Farges (France) and Cumbria. Bunker Hill and Daoping specimens set the standard. Apple-green Chinese pyromorphite is plentiful and moderately priced.
| Formula | Pb5(PO4)3Cl |
|---|---|
| IMA status | grandfathered |
| Crystal system | Hexagonal |
| Mohs hardness | 3.5–4 |
| Group | Apatite group |
| Type locality | None |
| Streak | White |
| Specific gravity | 7.0 |
| Reference list | IMA List of Minerals (RRUFF) — verify formula and status against the current list |
Handling and safety
Contains lead.
Elsewhere
Cite this article
Stratum Strata. "Pyromorphite" (Mineral). Stratum Strata pack 2026.09, as of 2026-09-21. https://stratum.black/strata/minerals/pyromorphite. Accessed 2026-09-21.
@misc{stratum-pyromorphite,
title = {Pyromorphite},
author = {{Stratum Strata}},
howpublished = {\url{https://stratum.black/strata/minerals/pyromorphite}},
year = {2026},
note = {Mineral article, Stratum Strata pack 2026.09, as of 2026-09-21; sources: stratum, wikidata, commons. Accessed 2026-09-21.}
} 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.