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7 Jun 2010:  Metamagnetism. A brief history of magnetism. Lodestone or magnetite Fe3O4 known since 500-800 BC by the Greeks and Chinese.

14 Feb 2020: It has been demonstrated that cementite can be made by carburising magnetite (Fe.

7 Jun 2010: Further, due to the growth of magnetite on the internal tube surface, mid wall temperatures could increase to about 600 C, if low alloy steels were used. ... VILHELMSEN, Lifetime Evaluation of Evaporator Tubes Exposed to Steam Oxidation, Magnetite

7 Jun 2010: In boilers operating at 625C/32 MPa, maximum midwall temperatures can be as high as 500-525C, depending on magnetite deposits at the inside of the tube.

7 Jun 2010: Thin scale of Cr-rich oxide, presumably Cr2O3, forms on the specimen surface of 9Cr-3WVNb steel with 3%Pd in steam at 650oC, while thick scale consisting of magnetite in ... No evidence is found for the formation of Fe3O4 magnetite type oxide scale nor

7 Jun 2010: This indeed was detected by the diffraction measurements and identified aspredominantly magnetite (Fe2.9O4) and small amounts of hematite (Fe2O3).

14 Feb 2020: C. Synchrotron X-ray Diffraction from a mixture of Austenite, Ferrite and Hametite, Magnetite.

7 Jun 2010: Figure 12. APS Diffraction data from austenite prior to its transformation; starting fromthe bottom, the rings correspond to 111γ, 002γ , 224M , 151M , 404M and 220γ , where thesubscript M , refers to magnetite

24 Apr 2011: Oxide of iron. Fe1-yO - wüstite (0.04 <y<0.17). Fe3O4 - magnetite.

13 Oct 2012: c elemental maps. d X-ray diffrac-. tion; F, W and M stand for fayalite, wüstite and magnetite respectively.