Facts
- Country
- Japan
- Minerals
- 4
- Species citing it (Wikidata)
- 3
- First described here
- Itoigawaite, Niigataite, Rengeite and others
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q24033014
Minerals first described here · 4
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Itoigawaite | SrAl₂Si₂O₇(OH)₂·H₂O | Orthorhombic | — | — |
| Niigataite | CaSrAl₃[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Rengeite | Sr₄Ti₄ZrO₈(Si₂O₇)₂ | Monoclinic | — | — |
| Strontio-orthojoaquinite | (Na,Fe)₂Sr₂Ba₂Ti₂[Si₄O₁₂]₂O₂(O,OH)₂ * H₂O | Orthorhombic | — | — |
Minerals · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Ohmilite | Sr₃(Ti,Fe³⁺)(Si₂O₆)₂(O,OH)·2H₂O | Monoclinic | — | — |