IMA mineral species

Ilmenite

Fe²⁺Ti⁴⁺O₃

Titanium-iron(II) oxide mineral.

BrownBlackGray

Ilmenite specimen
Ilmenite-173863.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe²⁺Ti⁴⁺O₃
ElementsFe, Ti, O
Crystal systemTrigonal
Mohs hardness5 – 6
Density4.72 g/cm³
Streakblack
Color—
IMA symbolIlm
Nickel–Strunz class4.CB.05

“—” 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.