IMA mineral species
Middendorfite
K₃Na₂Mn₅Si₁₂(O,OH)₃₆·2H₂O
Phyllosilicate mineral.
Properties
| Chemical formula | K₃Na₂Mn₅Si₁₂(O,OH)₃₆·2H₂O |
|---|---|
| Elements | K, Na, Mn, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Mdd |
| Nickel–Strunz class | 9.EJ.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kirovskii apatite mine, Russia
Learn more
- Middendorfite on Mindat.org
- Wikidata item Q19861031 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic