IMA mineral species
Magnesio-fluoro-hastingsite
NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂F₂
Ca-amphibole, double chain inosilicate mineral.
Properties
🔷 Monoclinic✏️ streak brown
| Chemical formula | NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂F₂ |
|---|---|
| Elements | Na, Ca, Mg, Fe, Si, Al, O, F |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | brown |
| Color | — |
| Cleavage | {110} |
| IMA symbol | Mfhst |
| Nickel–Strunz class | 9.DE.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Uroi, Romania
- 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
- Magnesio-fluoro-hastingsite on Mindat.org
- Wikidata item Q3746851 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic