Facts
- Country
- United States
- Minerals
- 1
- First described here
- Rongibbsite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q24264113
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Rongibbsite | Pb₂(Si₄Al)O₁₁(OH) | Monoclinic | — | — |