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Magnetitt

Magnetitt
Magnetitt
Generelt
FormelFe3O4
GruppeSpineller
Identifikasjon
Fargesvart
Krystallsystemkubisk
Kløvspaltaktig deling/ujevnt
Hardhet (Mohs)5,5–6,5
Strekfargesvart
Tetthet5,2
Andre egenskaperSterk magnetisk
Andre mineraler
Liste over mineraler

Magnetitt eller magnetjernstein er en jernmalm med kjemisk forbindelse Fe3O4, eller FeOFe2O3. Krystalliserer kubisk med spinell-struktur.

Magnetitt er ferrimagnetisk og brukes blant annet til fremstilling av jern og stål, som pigment i maling samt til magneter.

Eksterne lenker

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Magnetitt
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