Citation: Gottardi, G. (1960). The crystal structure of perrierite. American Mineralogist, 45, pp. 1-14.
Formula: Al0.16 Ca0.872 Ce2.312 Fe0.87 La0.5 Mg0.24 Na0.312 O22 Si3.84 Th0.192 Ti3.48 Y0.16
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Ca10 Ce8 Fe6 La8 Mg4 Na8 O44 Si8 Th8 Ti8 Y8 (Al4 Ca5 Ce4 Fe3 La4 Mg2 Na4 O22 Si4 Th4 Ti4 Y4)
Multiplicity: 1