The glass flake of the present invention has a composition that includes, in terms of mass %, 60<;SiO2≦65, 8≦Al2O3≦15, 47≦(SiO2—Al2O3)≦57, 1≦MgO≦5, 18≦CaO≦30, 0<;Li2O≦4, 0<;(Li2O+Na2O+K2O)≦4, and 0≦TiO2≦5, and that is substantially free from B2O3, F, ZnO, BaO, SrO, and ZrO2.