Citation: Malcherek, T.; Tazzoli, V.; Domeneghetti, M.C.; Ottolini, L.; Carpenter, M.A.; McCammon, C. (2001). Structural properties of ferromagnesian cordierites. American Mineralogist, 86, pp. 66-79.
Formula: Al3.982 Fe1.265 H0.96 Li0.04 Mg0.716 Na0.091 O18.48 Si4.989
Chemical name: (Mg0.358 Fe0.618 Li0.02)2 Na0.091 (Al3.982 Fe0.029 Si4.989) O18 (H2 O)0.48
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe20 Li8 Mg8 O72 Si20 (Al4 Fe5 Li2 Mg2 O18 Si5)
Multiplicity: 1