Citation: Mokeeva, V.; Makarov, E. (1979). Isomorph in melilites: refining of crystal structure of akermanite and intermediate melilite. Geokhimiya, 10, pp. 1541-1544.
Formula: Al0.41 Ca1.5 Fe0.16 Mg0.39 Na0.5 O7 Si2
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al2 Fe2 Mg2 O14 Si4 (Al Fe Mg O7 Si2)
Multiplicity: 1