Zomangamanga Gulu la Iron oxide pigments Nkhumba zimakhala ndi mawonekedwe amtundu wabwino pakati pa gawo lililonse;dispersibility wabwino mu zinthu simenti;amphamvu nyengo kugonjetsedwa, angateteze zinthu zofunika kuti asanyozedwe;amphamvu tinting mphamvu;ndi mtengo wachuma.