Citation: de Villiers, J. P. R.; Dobson, S. M.; Buseck, P. R. (1991). Refinement of the crystal structure of neltnerite, a member of the bixbyite-braunite group of minerals. European Journal of Mineralogy, 3, pp. 567-573.
Formula: Ca0.95 Mn6.05 O12 Si
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca8 Mn56 O96 Si8 (Ca Mn7 O12 Si)
Multiplicity: 1
Coordination sequences: