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#greigite

Greigite

Iron sulfide mineral of spinel structure

Greigite is an iron sulfide mineral with the chemical formula Fe2+Fe3+2S4. It is the sulfur equivalent of the iron oxide magnetite (Fe3O4). It was first described in 1964 for an occurrence in San Bernardino County, California, and named after the mineralogist and physical chemist Joseph W. Greig (1895–1977).

Fri 22nd

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Greigite Iron sulfide Iron(II,III) sulfide Mackinawite Exoskeleton Iron(III) sulfide Kala namak Magnetofossil Magnetosome List of minerals
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