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  3. Ilmenite

Ilmenite mineral - You can buy these samples

Ilmenite is a mineral of variable composition, also called titanium iron ore, first described in 1827 in Russia, in the Ilmensky mountains, where it forms large deposits. Ilmenite crystals are complex rhomboedic or lamellar, usually distorted. It also forms solid masses. Ilmenite free of impurities is non-magnetic at ordinary temperatures. When the content of iron oxide in it is more than 25%, it becomes magnetic. It is a valuable raw material for the production of titanium. Ilmenite is found in large quantities in the soil of the moon.

You can see ilmenite stone for sale and buy it in the Minerals of Russia online store.

Physical properties of Ilmenite

General
Category Oxide mineral
Formula
(repeating unit)		 iron titanium oxide, FeTiO3
IMA symbol Ilm
Strunz classification 4.CB.05
Dana classification 04.03.05.01
Crystal system Trigonal
Crystal class Rhombohedral (3)
H-M symbol: (3)
Space group R3 (no. 148)
Unit cell a = 5.08854(7)
c = 14.0924(3) [Å]: Z = 6
Identification
Color Iron-black; gray with a brownish tint in reflected light
Crystal habit Granular to massive and lamellar exsolutions in hematite or magnetite
Twinning {0001} simple, {1011} lamellar
Cleavage absent; parting on {0001} and {1011}
Fracture Conchoidal to subconchoidal
Tenacity Brittle
Mohs scale hardness 5–6
Luster Metallic to submetallic
Streak Black
Diaphaneity Opaque
Specific gravity 4.70–4.79
Optical properties Uniaxial (–)
Birefringence Strong; O = pinkish brown, E = dark brown (bireflectance)
Other characteristics weakly magnetic
Ilmenite
Code: 1416
Ilmenite
Potaniny mountains, vicinity of the vermiculite quarry, Southern Urals, RF
38*29*17mm

0.00 $ $30.00

Mn-Ilmenite, Feldspar
Code: 4082
Mn-Ilmenite, Feldspar
Marchenko Peak, Khibiny, Kola Peninsula, RF
46*35*27mm

0.00 $ $18.33

Mn-Ilmenite archived
Code: 944
Mn-Ilmenite
Marchenko Peak, Khibiny, Kola Peninsula, RF
46*39*19mm

0.00 $ $22.00

Mn-Ilmenite archived
Code: 3784
Mn-Ilmenite
Marchenko Peak, Khibiny, Kola Peninsula, RF
49*31*29mm

0.00 $ $18.33

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