Ilmenite

Formula : FeTiO3

Family: 
Space group: 
Trigonal H-M Symbol ( 3) Space Group: R 3
High temperature: 
High pressure and temperature mineral
Geological context: 
Ilmenite is common as an accessory mineral in many igneous and metamorphic rocks and may also occur as veins and disseminated deposits. Is a ubiquitous mineral in detrital sediment.

Dernière mise à jour le 25.01.2021

THERMODYNAMICS

Reaction properties

Ilmenite + 2H+ + H2O ⇌ Fe+2 + Ti(OH)4

298.15 K, 1 bar log10K: 1.82 ΔH°r:-87445 J·mol-1 (Ref.: Internal calculation)
T(°C) 0 25 60 100 150 200 250 300
log10K 3.35 1.82 0.41 -0.45 -0.81 -0.70 -0.33 0.14