BaFe12O19
Aleshko-Ozhevskii, O.P.Faek, M.K.Yamzin, I.I.
Kristallografiya (1969) 14, 447-449
a=5.8Å b=5.8Å c=23.18Å
α=90° β=90° γ=120°
Fe12O19Pb
a=5.78Å b=5.78Å c=23.09Å
Fe12O19Sr
a=5.78Å b=5.78Å c=22.98Å