Citation: Foit, F. F.; Peacor, D. R. (1973). The anorthite crystal structure at 410 and 830 C T = 410 C. American Mineralogist, 58, pp. 665-675.
Formula: Al2 Ca O8 Si2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O64 Si16 (Al O4 Si)
Multiplicity: 1
Coordination sequences: