IMA mineral species

Samarskite-(Y)

YFe³⁺Nb₂O₈

Oxide mineral.

YellowBrownBlack

Samarskite-(Y) specimen
Samarskite-(Y)-75446.jpg · Wikimedia Commons (see file page for author & license)

Properties

🔷 Orthorhombic✏️ streak brown
Chemical formulaYFe³⁺Nb₂O₈
ElementsY, Fe, Nb, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streakbrown
Color—
IMA symbolSmk-Y
Nickel–Strunz class4.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.