Citation: Redhammer, G\"unther J.; Roth, G. (2004). The ferri-annite KFe^2+^~3~(Al~0.26~Fe^3+^~0.76~Si~3~)O~10~(OH)~2~ at 100 and 270 K. Acta Crystallographica, Section C, 60, pp. i33-i36.
Formula: Al0.24 Fe3.76 H2 K O12 Si3
Chemical name:potassium triiron(II) aluminasilaferrate(III) decaoxide dihydroxide