Greigite

Greigite is an iron sulfide mineral with formula Fe₃S₄ (Iron(II,III) sulfide). 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).

单词	Greigite
释义	Greigite 英语百科 Greigite Greigite is an iron sulfide mineral with formula Fe₃S₄ (Iron(II,III) sulfide). 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).
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