IMA mineral species
Potassic-chloro-hastingsite
KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂Cl₂
Ca-amphibole, double chain inosilicate mineral.
Properties
⛏ Mohs hardness4 – 6
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Scratches glass; quartz scratches it.
| Chemical formula | KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂Cl₂ |
|---|---|
| Elements | K, Ca, Fe, Si, Al, O, Cl |
| Crystal system | Monoclinic |
| Mohs hardness | 4 – 6 |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Pchst |
| Nickel–Strunz class | 9.DE.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Potassic-chloro-hastingsite on Mindat.org
- Wikidata item Q3675284 (source of this page's data – you can correct it there)
IMA mineral species
4–5
Monoclinic