Facts
- Country
- United States
- Minerals
- 1
- First described here
- Hilgardite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1990254
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Hilgardite | — | Monoclinic | — | — |