Facts
- Country
- Western Sahara
- Minerals
- 1
- First described here
- Donwilhelmsite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q61484277
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Donwilhelmsite | CaAl₄Si₂O₁₁ | Hexagonal | — | — |