Citation: Dollase, W. A. (1971). Refinement of the crystal structures of epidote, allanite and hancockite. American Mineralogist, 56, pp. 447-464.
Formula: Al1.83 Ca1.26 Ce0.74 Fe1.17 H O13 Si3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al6 Ca2 Ce2 Fe4 O26 Si6 (Al3 Ca Ce Fe2 O13 Si3)
Multiplicity: 1