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Ilmenite

Type Locality
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Mineral Data
Fe2+TiO3
Strunz: 
4.CB.05
Physical Properties
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Tenacity: 
brittle