IMA mineral species
Edgrewite
Ca₉(SiO₄)₄F₂
Nesosilicate mineral.
Properties
| Chemical formula | Ca₉(SiO₄)₄F₂ |
|---|---|
| Elements | Ca, Si, O, F |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Egr |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Mount Lakargi, Russia
Learn more
- Edgrewite on Mindat.org
- Wikidata item Q17276566 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic