Citation: Dollase, W. A. (1971). Refinement of the crystal structures of epidote, allanite and hancockite. American Mineralogist, 56, pp. 447-464.
Formula: Al2.02 Ca1.13 Fe0.98 H Mn0.12 O13 Pb0.5 Si3 Sr0.25
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al6 Ca2 Fe4 Mn2 O26 Pb2 Si6 Sr2 (Al3 Ca Fe2 Mn O13 Pb Si3 Sr)
Multiplicity: 1