The existing forms of iron in rutile and its influence on the physical properties of the mineral
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The extent of exsolution depends mainly on the content of Fe in rutile. 0.88% Fe2O3 is regarded as the lower limit of Fe content for the occurrence of exsolution in ferro — minerals. With increasing Fe content, exsolution will tend to become more and more obvious.
Iron in rutile exists mainly in the form of Fe3+, which is isomorphously substituted for Ti4+, i.e., an exsolution mineral — titano — hematite.
The iron content of rutile is a factor leading to the differences in physical properties for rutile samples.
KeywordsElectron Paramagnetic Resonance Magnetic Susceptibility CHINESE Journal Intrusive Rock Backscatter Electron Image
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