Citation: Rau, V.G.; Kurkutova, E.N. (1973). Crystal structure of langbanite. Kristallografiya, 18, pp. 508-513.
Formula: Ca0.5 Fe0.5 Mn12.5 O22 Sb0.5 Si2
Chemical name: Mn12 (Mn0.5 Ca0.5) (Fe0.5 Sb0.5) Si2 O22
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca Fe Mn13 O22 Sb Si2 (Ca Fe Mn13 O22 Sb Si2)
Multiplicity: 1