Citation: Bystroem, A.; Mason, B. (1943). The crystal structure of Braunite, (Mn2 O3)3 Mn Si O3. Arkiv foer Kemi, Mineralogi och Geologi, B, 16, pp. 1-8.
Formula: Mn7 O12 Si
Chemical name: (Mn2 O3)3 Mn Si O3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Mn56 O96 Si8 (Mn7 O12 Si)
Multiplicity: 1
Coordination sequences: