Citation: de Villiers, J. P. R. (1975). The crystal structure of braunite with reference to its solid-solution behavior. American Mineralogist, 60, pp. 1098-1104.
Formula: Ca0.01 Fe0.18 Mg0.13 Mn6.68 O12 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 Fe48 Mg8 Mn56 O96 Si8 (Ca Fe6 Mg Mn7 O12 Si)
Multiplicity: 1