Citation: Rumanova, I.M.; Nikoleva, T.V. (1959). Crystal structure of orthite. Kristallografiya, 4, pp. 829-835.
Formula: Al2 Ca Ce Fe H O13 Si3
Chemical name: Al2 Ca Fe Ce (Si2 O7) (Si O4) O (O H)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Ce2 Fe2 O26 Si6 (Al2 Ce Fe O13 Si3)
Multiplicity: 1
Coordination sequences: