Ilmenite
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Ilmenite is a titanium-iron oxide mineral with the idealized formula FeTiO3. It is a weakly magnetic black or steel-gray solid. Ilmenite is the most important ore of titanium and the main source of ti
Ilmenite from Miass, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia. 4.5 x 4.3 x 1.5 cm
Ilmenite from Froland, Aust-Agder, Norway; 4.1 × 4.1 × 3.8 cm
Ilmenite and hematite under normal light
Ilmenite and hematite under polarized light
Pyrophanite
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Pyrophanite is a manganese titanium oxide mineral with formula: MnTiO3. It is a member of the ilmenite group. It is a deep red to greenish black mineral which crystallizes in the trigonal system.
