Citation: Mokeeva, V.I.; Makarov, E.S. (1979). The isomorphism in melilites - the refinement of the crystal structures of akermanite and the intermediate melilite. Geokhimiya, 1979, pp. 1541-1544.
Formula: Al1.25 Ca1.96 Fe0.12 Mg0.24 Na0.05 O7 Si1.39
Chemical name: (Ca1.96 Na.05) (Mg.24 Al.64 Fe.12) (Si1.39 Al.61) O7
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al6 Fe2 Mg2 O14 Si4 (Al3 Fe Mg O7 Si2)
Multiplicity: 1