Facts
- Country
- United States
- Minerals
- 3
- Species citing it (Wikidata)
- 2
- First described here
- Alleghanyite, Galaxite, Kellyite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q30046148
Minerals first described here · 3
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Alleghanyite | Mn²⁺₅(SiO₄)₂(OH)₂ | Monoclinic | — | — |
| Galaxite | Mn²⁺Al₂O₄ | Cubic | 7.5 | — |
| Kellyite | Mn²⁺₂Al(AlSiO₅)(OH)₄ | — | — | — |