Facts
- Country
- Russia
- Minerals
- 5
- Species citing it (Wikidata)
- 9
- First described here
- Fersmite, Kobyashevite, Magnesio-fluoro-arfvedsonite and others
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q16630568
Minerals first described here · 5
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Fersmite | (Ca,Ce,Na)(Nb,Ta,Ti)₂(O,OH,F)₆ | — | — | — |
| Kobyashevite | Cu₅(SO₄)₂(OH)₆·4H₂O | Triclinic | — | — |
| Magnesio-fluoro-arfvedsonite | NaNa₂(Mg₄Fe³⁺)Si₈O₂₂F₂ | Monoclinic | 5.5 | — |
| Nioboaeschynite-(Ce) | (Ce,Ca)(Nb,Ti)₂(O,OH)₆ | Orthorhombic | — | — |
| Vishnevite | Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O | Hexagonal | — | — |
Minerals · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Vishnevite | Na₈(Al₆Si₆)O₂₄(SO₄)·2H₂O | Hexagonal | — | — |