Citation: Armbruster, T.; Gnos, E. (2000). P4/n and P4nc long-ranged ordering in low-temperature vesuvianites Sample: from N'chwaning II mine, RSA. American Mineralogist, 85, pp. 563-569.
Formula: Al12 Ca18.76 H9 Mg0.148 Mn0.852 Na0.24 O78 Si18
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al24 Ca4 H16 Mg2 Mn2 O154 Si36 (Al12 Ca2 H8 Mg Mn O77 Si18)
Multiplicity: 1