Facts
- Country
- Nazi Germany
- Minerals
- 3
- Species citing it (Wikidata)
- 8
- First described here
- Fraipontite, Hopeite, Willemite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q16216319
Minerals first described here · 3
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Fraipontite | (Zn,Al)₃(Si,Al)₂O₅(OH)₄ | Monoclinic | — | — |
| Hopeite | Zn₃(PO₄)₂·4H₂O | Orthorhombic | 3.5 | — |
| Willemite | Zn₂SiO₄ | Trigonal | 5.5 | 4.25 g/cm³ |