Iron oxide, yomwe imatchedwanso ferric oxide, limonite yopsereza, ocher woyaka, chitsulo chofiira, chitsulo chofiira, ufa wofiira, wofiira wa Venetian (chigawo chachikulu ndi iron oxide), etc. The chemical formula Fe2O3, sungunuka mu hydrochloric acid, ndi yofiira. - ufa wa bulauni.Ufa wake wofiira wofiira ndi mtundu wochepa wa pigment, womwe umatchedwa iron oxide red mu makampani.Amagwiritsidwa ntchito mu utoto, inki, mphira ndi mafakitale ena monga chothandizira, chopukutira magalasi, miyala yamtengo wapatali ndi zitsulo, ndipo angagwiritsidwe ntchito ngati zopangira zitsulo.