Magnetite is a rock mineral and one of the main iron ores, with the chemical formula Fe3O4. As a member of the spinel group, magnetite can form solid solutions with similarly structured minerals, including ulvospinel (Fe2TiO4), hercynite. EDIT: I have added a link to the 'References and further reading' section that also describes a good and cheap way of making magnetite from other substrates. Other forms of corrosive attack in deaerators include stress corrosion cracking . Iron, in contact with the boiler water, forms magnetite and the protective layer is.
Magnetite is an iron oxide, [Fe3O4]. It deposits in the form of thin layer on boiler steel surface and passivates the surface and thus protects the. In our modern Earth, magnetite seldom forms in sedimentary environments. Back in the Early Proterozoic ( to billion years ago), however, large deposits. Fe3O4 or magnetite is forming in pipe systems when oxygen - deficient water is used. The Merus Ring can accelerate the forming of magnetite, then no further.
You may notice that there is no hematite here and magnetite only exists at the bottom right, but that's because this diagram is for water. Magnetite is best known for its property of being strongly attracted to magnets. Some forms of Magnetite from specific localities are in fact themselves magnets. Magnetite is one of the most common iron minerals and an important ore of iron. Magnetite Crystals: Octahedral crystals are a common form of magnetite. Magnetite is an oxide of iron (as is hematite). It is not a component of ordinary rust, although it can form as iron oxidizes in a dry environment. When you see.