Citation: FitzGerald, J. D.; Parise, J. B.; Mackinnon, I. D. R. (1986). Average structure of an An48 plagioclase from the Hogarth Ranges. American Mineralogist, 71, pp. 1399-1408.
Formula: Al0.735 Ca0.24 Na0.26 O4 Si1.265
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O32 Si16 (Al O2 Si)
Multiplicity: 1
Coordination sequences: