Facts
- Country
- Madagascar
- Minerals
- 1
- First described here
- Nioboheftetjernite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q22002216
Minerals first described here · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Nioboheftetjernite | — | Monoclinic | — | — |