Citation: Louisnathan, S. J. (1971). Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7. The Canadian Mineralogist, 10, pp. 822-837.
Formula: Al1.91 Ca2 Fe0.02 Mg0.05 O7 Si1.02
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