Facts
- Country
- United States
- Minerals
- 2
- Species citing it (Wikidata)
- 1
- First described here
- Cryptomelane, Emmonsite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q79873
Minerals first described here · 2
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Cryptomelane | K(Mn⁴⁺₇Mn³⁺)O₁₆ | Monoclinic | — | — |
| Emmonsite | Fe³⁺₂(Te⁴⁺O₃)₃·2H₂O | — | 5.0 | — |