Citation: Armbruster, T. (1985). Ar, N2, CO2 in the structural cavities of cordierite, an optical and X-ray single-crystal study Sample: White Well CO2. Physics and Chemistry of Minerals, 12, pp. 233-245.
Formula: C0.45 Al4 Fe0.09 Mg1.91 Mn0.01 Na0.05 O18.9 Si5
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 Fe8 Mg8 Mn8 O72 Si20 (Al4 Fe2 Mg2 Mn2 O18 Si5)
Multiplicity: 1