Citation: Johnsen, O.; Grice, J. D. (1999). The crystal chemistry of the eudialyte group Sample: #3 Note: additional sites with low but unreported occupancies excluded. The Canadian Mineralogist, 37, pp. 865-891.
Formula: Ca4.8 Ce0.75 Cl1.08 Fe1.47 H0.93 K0.24 La0.51 Mn2.34 Na13.08 Nb0.78 Nd0.15 O76.47 Si24.93 Sr0.06 Ta0.07 Y0.18 Zr3
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca18 Ce36 Cl18 Fe18 K9 La27 Mn27 Na18 Nb3 Nd9 O246 Si78 Sr9 Ta3 Y18 Zr9 (Ca6 Ce12 Cl6 Fe6 K3 La9 Mn9 Na6 Nb Nd3 O82 Si26 Sr3 Ta Y6 Zr3)