Facts
- Country
- Czech Republic
- Minerals
- 4
- Species citing it (Wikidata)
- 3
- First described here
- Iangreyite, Krásnoite, Kunatite and others
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q23933886
Minerals first described here · 4
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Iangreyite | Ca₂Al₇(PO₄)₂(PO₃OH)₂(OH,F)₁₅·8H₂O | Trigonal | — | — |
| Krásnoite | Ca₃Al₇.₇Si₃P₄O₂₂.₉(OH)₁₃.₃F₂·8H₂O | Trigonal | — | — |
| Kunatite | CuFe³⁺₂(PO₄)₂(OH)₂·4H₂O | Monoclinic | — | — |
| Tvrdýite | Fe²⁺Fe³⁺₂Al₃(PO₄)₄(OH)₅(H₂O)₄·2H₂O | Monoclinic | — | — |