IMA mineral species
Ferro-ferri-holmquistite
☐Li₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂
Lithium amphibole, inosilicate mineral.
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Properties
| Chemical formula | ☐Li₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂ |
|---|---|
| Elements | Li, Fe, Si, O, H |
| Crystal system | Orthorhombic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Ffhlm |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Iwagi islet, Japan · Iwagi islet, Japan
- 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-holmquistite on Mindat.org
- Wikidata item Q18562333 (source of this page's data – you can correct it there)
IMA mineral species
Orthorhombic