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Earth, Planets and Space

Table 2 Rock magnetic properties of magnetic minerals

From: Reductive chemical demagnetization: a new approach to magnetic cleaning and a case study of reef limestones

Magnetic mineral

Composition

Range of coercivity

Ordering temperature (°C)

Magnetite

Fe3O4

10–100 mT

580

Hematite

α-Fe2O3

100s of mT to several T

675

Goethite

α-FeOOH

5–10 T

120

  1. References: Dunlop and Özdemir (1997) and Kodama and Hinnov (2015)
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