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Magnetite IV - Oxides (Spinel Group)

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Name		Magnetite
Chemistry		Fe3O4
Hardness		5.5
Lustre		metallic to dull
Colour		iron black
Streak		black
Density [g/cm3]		5.2
Crystal habit		isometric, crystals rarely to [111]
Cleavage, Fracture		cleavage absent but parting to [111], fracture conchoidal
other characteristics and occurrences		massive and disseminated in grained, dense aggregates, strong magnetic, in magmatic and contact pneumatolytic occurrences

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst

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