Citation: Wechsler, B. A. (1977). Cation distribution and high-temperature crystal chemistry of armalcolite sample Arm-C, T = 400 deg C. American Mineralogist, 62, pp. 913-920.
Formula: Fe0.5 Mg0.5 O5 Ti2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Fe4 Mg4 O20 Ti8 (Fe Mg O5 Ti2)
Multiplicity: 1
Coordination sequences: