Citation: Mottana, A.; Rossi, G.; Kracher, A.; Kurat, G. (1979). Violan revisited: Mn-bearing omphacite and diopside. Tschermaks Mineralogische und Petrographische Mitteilungen, 26, pp. 187-201.
Formula: Al0.905 Ca0.952 Fe0.159 Mg0.936 Na1.048 O12 Si4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al2 Fe4 Mg2 O24 Si8 (Al Fe2 Mg O12 Si4)
Multiplicity: 1