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Keilite: (Fe,Mn,Mg,Ca,Cr)S
Comments: B&W polished section image (a) of keilite (Ke) with troilite/pyrrhotite (Tro/Pyr) and metal (FeNi); gray, mostly oval grains are enstatite (En) and somewhat darker interstices are feldspars (Pl). (AmMin, v92:206). Location: Zak?odzie enstatite achondrite. Scale: See Image. © American Mineralogist