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- Trogtal quarries, Lautenthal
Type locality
Trogtal quarries, Lautenthal
GermanyCountry
4Minerals
Facts
- Country
- Germany
- Minerals
- 4
- Species citing it (Wikidata)
- 3
- First described here
- Bornhardtite, Freboldite, Trogtalite and others
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q29842884
Minerals first described here · 4
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Bornhardtite | Co²⁺Co³⁺₂Se₄ | Cubic | 4.0 | — |
| Freboldite | CoSe | Hexagonal | — | — |
| Trogtalite | CoSe₂ | Cubic | 7.0 | 6.90 g/cm³ |
| Umangite | Cu₃Se₂ | Tetragonal | 3.0 | 6.70 g/cm³ |
Minerals · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Trogtalite | CoSe₂ | Cubic | 7.0 | 6.90 g/cm³ |