IMA mineral species
Jahnsite-(CaMnFe)
CaMn²⁺Fe²⁺₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈
Phosphate mineral.
-81865.jpg?width=480)
-81865.jpg){kind=link}
Properties
| Chemical formula | CaMn²⁺Fe²⁺₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ |
|---|---|
| Elements | Ca, Mn, Fe, P, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Jah-CaMnFe |
| Nickel–Strunz class | 8.DH.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Groton, United States
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Jahnsite-(CaMnFe) on Mindat.org
- Wikidata item Q3806144 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic