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Xifengite: Fe5Si3 Fersilicite: FeSi
Comments: Reflected light image of cream white grain of xifengite (Xi) with exsolution of white gupeiite (Gu) and grey fersilicite (Fe). Epoxy grain mount.
Location: Isovskaya Field, Priasovje, Ukraine.
Scale: Picture Size 0.7 mm.
© Thomas Witzke