Citation: Johnsen, O.; Grice, J. D. (1999). The crystal chemistry of the eudialyte group Sample: #16. The Canadian Mineralogist, 37, pp. 865-891.
Formula: Ca4.95 Ce0.582 Cl0.45 Fe1.05 H1.549 K0.33 La0.408 Mn2.49 Na13.05 Nb0.95 Nd0.15 O77.549 Si24.93 Sr0.72 Y0.24 Zr2.97
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca18 Ce27 Cl15 Fe18 K9 La27 Mn27 Na9 Nb3 Nd27 O243 Si78 Sr9 Y9 Zr9 (Ca6 Ce9 Cl5 Fe6 K3 La9 Mn9 Na3 Nb Nd9 O81 Si26 Sr3 Y3 Zr3)