2015_dec Booklet A Part B Q52 📚 Petrology & Mineralogy
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Question 52

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Magnetite (Fe3O4) is a strongly ferrimagnetic iron oxide with a higher iron content by weight, while hematite (Fe2O3) is only weakly magnetic (canted antiferromagnetism) and has a slightly lower iron content by weight compared to magnetite.
Magnetite (Fe3O4) is strongly ferrimagnetic and contains about 72% iron by weight, whereas hematite (Fe2O3) exhibits only weak magnetism (canted antiferromagnetism) and contains a slightly...

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