IMA mineral species
Sadanagaite
{Na}{Ca₂}{Mg₃Al₂}(Si₅Al₃O₂₂)(OH)₂
Ca-amphibole, double chain inosilicate mineral.
Properties
| Chemical formula | {Na}{Ca₂}{Mg₃Al₂}(Si₅Al₃O₂₂)(OH)₂ |
|---|---|
| Elements | Na, Ca, Mg, Al, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | — |
| IMA symbol | Sdg |
| Nickel–Strunz class | 9.DE.15 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Kasuga mine, Japan
Learn more
- Sadanagaite on Mindat.org
- Wikidata item Q3461092 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic