Facts
- Chemical formula
- Ca₉(SiO₄)₄F₂
- Crystal system
- Monoclinic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Mount Lakargi
- Named after
- Edward S. Grew
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q17276566
Minerals named after this one · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Hydroxyledgrewite | Ca₉(SiO₄)₄(OH)₂ | Monoclinic | — | — |