Facts
- Country
- United States
- Minerals
- 1
- First described here
- Jahnsite-(CaMnFe)
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2418034
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Jahnsite-(CaMnFe) | CaMn²⁺Fe²⁺₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |