IMA mineral species
Ferro-ferri-fluoro-leakeite
NaNa₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂F₂
Na-amphibole, double chain inosilicate mineral.
Properties
⛏ Mohs hardness5 – 7
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Harder than quartz: scratches glass and steel.
| Chemical formula | NaNa₂(Fe²⁺₂Fe³⁺₂Li)Si₈O₂₂F₂ |
|---|---|
| Elements | Na, Fe, Li, Si, O, F |
| Crystal system | Monoclinic |
| Mohs hardness | 5 – 7 |
| Density | — |
| Streak | — |
| Color | — |
| Cleavage | {110} |
| IMA symbol | Fffllk |
| Nickel–Strunz class | 9.DE.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Ferro-ferri-fluoro-leakeite on Mindat.org
- Wikidata item Q18121661 (source of this page's data – you can correct it there)
IMA mineral species
5–6
Monoclinic