Facts
- Country
- Yemen
- Minerals
- 1
- First described here
- Riebeckite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q82859
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Riebeckite | ☐Na₂(Fe²⁺₃Fe³⁺₂)Si₂O₂₂(OH)₂ | Monoclinic | 6.0 | — |