IMA mineral species
Ferro-actinolite
☐Ca₂Fe²⁺₅Si₈O₂₂(OH)₂
Ca-amphibole, double chain inosilicate mineral.
Properties
⛏ Mohs hardness5 – 6
💅🪙🍶🔪💎
Scratches glass; quartz scratches it.
| Chemical formula | ☐Ca₂Fe²⁺₅Si₈O₂₂(OH)₂ |
|---|---|
| Elements | Ca, Fe, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | 5 – 6 |
| Density | — |
| Streak | — |
| Color | — |
| Cleavage | {110} |
| IMA symbol | Fact |
| Nickel–Strunz class | 9.DE.10 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Ferro-actinolite on Mindat.org
- Wikipedia article
- Wikidata item Q3743205 (source of this page's data – you can correct it there)
IMA mineral species
5–6
Monoclinic