IMA mineral species
Potassic-fluoro-richterite
K(NaCa)Mg₅Si₈O₂₂F₂
Na-Ca-amphibole, double chain inosilicate mineral.
Properties
| Chemical formula | K(NaCa)Mg₅Si₈O₂₂F₂ |
|---|---|
| Elements | K, Na, Ca, Mg, Si, O, F |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | grey |
| IMA symbol | Pfrct |
| Nickel–Strunz class | 9.DE.20 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Mount Somma, Italy
- 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
- Potassic-fluoro-richterite on Mindat.org
- Wikidata item Q3909494 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic
Gray