Ilmenite
Fe²⁺Ti⁴⁺O₃
Titanium-iron(II) oxide mineral
Properties
- Chemical formula
- Fe²⁺Ti⁴⁺O₃
- Group
- Oxides
- Crystal system
- Trigonal
- Hardness (Mohs)
- 5,5
- Color
- Black
- Luster
- —
- Streak
- Black
- Density
- 4,72 g/cm³
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- R-3
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 4.CB.05
- Dana classification
- 4.3.5.1
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Ilm
- Locality
- 🇷🇺 Ilmen Nature Reserve
- Type locality
- —
- Discovery year
- —
Etymology
Named after Ilmen mountains
Source: Wikidata
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