IMA mineral species
Jahnsite-(MnMnMg)
Mn²⁺Mn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈
Phosphate mineral.
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Properties
| Chemical formula | Mn²⁺Mn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ |
|---|---|
| Elements | Mn, Mg, Fe, P, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Jah-MnMnMg |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Sapucaia do Norte, Brazil
- 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-(MnMnMg) on Mindat.org
- Wikidata item Q30322533 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic