Citation: Comodi P; Zanazzi P F; Weiss Z; Rieder M; Drabek M (1999). "Cs-tetra-ferri-annite:" High-pressure and high-temperature behavior of a potential nuclear waste disposal phase T = 435 deg C, crystal 2. American Mineralogist, 84, pp. 325-332.
Formula: Al0.04 Cs0.89 Fe3.92 O12 Si3.04
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al8 Fe14 O24 Si8 (Al4 Fe7 O12 Si4)
Multiplicity: 1