Facts
- Country
- United States
- Minerals
- 3
- Species citing it (Wikidata)
- 2
- First described here
- Mangangordonite, Perhamite, Zigrasite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q28976308
Minerals first described here · 3
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Mangangordonite | Mn²⁺Al₂(PO₄)₂(OH)₂ * 8H₂O | — | — | — |
| Perhamite | Ca₃Al₇.₇Si₃P₄O₂₃.₅(OH)₁₄.₁ · 8H₂O | Trigonal | — | — |
| Zigrasite | MgZr(PO₄)₂·4H₂O | Triclinic | — | — |