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Other Titanium Minerals
Ilmenite nonetheless is not the only source of titanium that exists. There are in addition other common to quite rare titanium minerals like those of peroyskite, geikeilite, ecandrewsite, osbornite, pyrophanite, anatese, brookite, rutile and several more. There is also a small percentage of titanium in a lot of silicate and oxide minerals given that titanium is a very widespread component. In sedimentary detrital deposits, more commonly known as placers, ilmenite and rutile can be found concentrated into ores that can be used. Placers take place when a heavy and resistant mineral is mechanically and gravitationally sorted through a natural process into a deposit where it can then be recovered. Placers can be found in river bends as well as behind river impediments and also in the sea shoreline sand deposits where the water currents that are slower moving let the minerals settle down. Place deposits in many cases have ilmenite and rutile as well and there are a sufficient amount of these deposits all over the world to supply the need for titanium for a many number of years to come. Ilmenite is a metallic to a sub-metallic mineral and it usually has a black color to it. There are times when it can form a bright luster with elaborately faced crystals or radial crystals that are placed in a decoration form. The platy hexagonal crystals that have rhombohedral faces on the edges can look very alike to hematite’s tabular habits as well but they can be told apart given that hematite has quite a different streak. Magnetite is also someone the same and can sometimes be confused with ilmenite however the crystal on ilmenite has a different shape and is not as magnetic as magnetite is. It is however in many occasions associated with magnetite and because of that ilmenite is a minor ore of iron as magnetite and ilmenite are processed for the contents of iron they have. Ilmenite alone is not a commercial iron ore given that the titanium it has holds back the smelting process. Ilmenite, hematite as well corundum all have very alike structures and are all included into a less informal group that is known as the Hematite Group. The structure it has is made up of alternating layers of oxygens and cations. The cations can be found in sites in the layers between the oxygen layers and each one is stuck to three oxygens in the layer above as well as three oxygens in the bottom layer. Ilmenite can be found in a similar group that is made up of simple, trigonal, titanium oxides that are known as the Ilmenite Group and which is a subgroup of the Hematite Group of minerals. Those that make up the Ilmenite Group are different from the other members of the Hematite Group given that the structure is more prearranged with titanium and A ions that are in the layers between the oxygen layers. The oxygen layers in these are packed in a hexagonal way. Every metal iron is attached to the three oxygens in the layer of oxygen above and three oxygens in the layer that is below. These members though, except for ilmenite, are not common or widespread.
