Citation: Johnsen, O.; Grice, J. D. (1999). The crystal chemistry of the eudialyte group Sample: #2. The Canadian Mineralogist, 37, pp. 865-891.
Formula: Ca4.68 Ce0.45 Cl0.764 Fe2.28 H1.244 K0.3 La0.33 Mn1.86 Na13.02 Nb0.62 Nd0.12 O78.494 Si25.12 Sr0.12 Ta0.04 Ti0.06 Y0.18 Zr3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca27 Ce45 Cl48 Fe18 K9 La45 Mn27 Na45 Nb6 Nd27 O282 Si81 Sr9 Ta6 Ti6 Y18 Zr9 (Ca9 Ce15 Cl16 Fe6 K3 La15 Mn9 Na15 Nb2 Nd9 O94 Si27 Sr3 Ta2 Ti2 Y6 Zr3)