Citation: Malcherek, T.; McCammon, C.; Tazzoli, V.; Ottolini, L.; Domeneghetti, M.C.; Carpenter, M.A. (2001). Structural properties of ferromagnesian cordierites. American Mineralogist, 86, pp. 66-79.
Formula: C0.165 H0.24 Al3.992 Fe0.55 Mg1.464 Na0.05 O18.45 Si4.994
Chemical name: (Mg0.732 Fe0.268)2 Na0.05 (Al3.992 Fe0.014 Si4.994) O18 (H2 O)0.12 (C O2)0.165
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe20 Mg8 O80 Si20 (Al4 Fe5 Mg2 O20 Si5)
Multiplicity: 1