Properties
🔷 Orthorhombic✏️ streak brown
| Chemical formula | YFe³⁺Nb₂O₈ |
|---|---|
| Elements | Y, Fe, Nb, O |
| Crystal system | Orthorhombic |
| Mohs hardness | — |
| Density | — |
| Streak | brown |
| Color | — |
| IMA symbol | Smk-Y |
| Nickel–Strunz class | 4.DB.25 |
“—” means no reliable value in Wikidata yet. Check Mindat for full data.
🌍 Where it's found
Type locality (where it was first described): Ilmen Nature Reserve, Russia
- Type locality
- Notable source / deposit
- Country of origin
Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.
Learn more
- Samarskite-(Y) on Mindat.org
- Wikipedia article
- Wikidata item Q417648 (source of this page's data – you can correct it there)
IMA mineral species
Orthorhombic
YellowBrownBlack