IMA mineral species
Ferro-ferri-nybøite
NaNa₂(Fe²⁺₃Fe³⁺₂)(Si₇Al)O₂₂(OH)₂
Na-amphibole, double chain inosilicate mineral.
Properties
| Chemical formula | NaNa₂(Fe²⁺₃Fe³⁺₂)(Si₇Al)O₂₂(OH)₂ |
|---|---|
| Elements | Na, Fe, Si, Al, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ffnyb |
| Nickel–Strunz class | 9.DE.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Poudrette quarry, Canada
- 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
- Ferro-ferri-nybøite on Mindat.org
- Wikidata item Q3743210 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic