Citation: Rastsvetaeva, R.K.; Moekkel, S.; Chukanov, N.V. (2003). Characteristic structural features of a tantalum-rich eudialyte variaty from Brazil. Kristallografiya, 48, pp. 250-255.
Formula: Al0.3 Ca6 Cl0.8 Fe1.35 H6.72 Na14 Nb0.13 O77.12 Si25.28 Ta0.51 Ti0.2 W0.09 Zr3
Chemical name: Na14 Ca6 Zr3 (Fe1.35 Ta0.51) (Si0.78 Nb0.13 W0.09) (Si0.5 Al0.3 Ti0.2) (Si24 O72) (O H)3.52 Cl0.8 (H2 O)1.6
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al3 Fe9 Na18 Nb3 O243 Si81 Ta9 Ti3 W3 Zr9 (Al Fe3 Na6 Nb O81 Si27 Ta3 Ti W Zr3)
Multiplicity: 1