IMA mineral species
Allanite-(Y)
{CaY}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH)
Epidote supergroup, sorosilicate mineral.
Properties
| Chemical formula | {CaY}{Al₂Fe²⁺}(Si₂O₇)(SiO₄)O(OH) |
|---|---|
| Elements | Ca, Y, Al, Fe, Si, O, H |
| Crystal system | Monoclinic |
| Mohs hardness | — |
| Density | — |
| Streak | — |
| Color | black |
| IMA symbol | Aln-Y |
| Nickel–Strunz class | 9.BG.05b |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
Learn more
- Allanite-(Y) on Mindat.org
- Wikidata item Q3612347 (source of this page's data – you can correct it there)
IMA mineral species
Monoclinic
Black