Facts
- Country
- Russia
- Minerals
- 1
- First described here
- Fluorbritholite-(Y)
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q28922508
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Fluorbritholite-(Y) | (Y,Ca)₅(SiO₄)₃F | Hexagonal | — | — |
Minerals · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Vyuntspakhkite-(Y) | (Y,Yb)₄Al₂.₅-₁.₅(Si,Al)₁.₅-₂.₅(SiO₄)₄O(OH)₇ | Monoclinic | — | — |