Citation: Hochella, M. F.; Brown, G. E.; Ross, F. K.; Gibbs, G. V. (1979). High-temperature crystal chemistry of hydrous Mg- and Fe-cordierite Dolni Bory, T = 375 C. American Mineralogist, 64, pp. 337-351.
Formula: Al4 Fe1.66 Mg0.34 O18 Si5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe8 Mg8 O72 Si20 (Al4 Fe2 Mg2 O18 Si5)
Multiplicity: 1
Coordination sequences: