Citation: Sokolova, E. V.; Hawthorne, F. C. (2004). The crystal chemistry of epistolite. The Canadian Mineralogist, 42, pp. 797-806.
Formula: Ca0.27 Fe0.04 H10 Mn0.04 Na3.79 Nb2.12 O22 Si4.4 Ti1.04
List type: noninterleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Ca2 Fe2 Mn2 Na2 Nb4 O22 Si8 Ti3 (Ca2 Fe2 Mn2 Na2 Nb4 O22 Si8 Ti3)
Multiplicity: 1