Citation: Hawthorne, F. C.; Grundy, H. D. (1977). The crystal structure and site-chemistry of a zincian tirodite by least-squares refinement of X-ray and mossbauer data. The Canadian Mineralogist, 15, pp. 309-320.
Formula: Al0.088 Ca0.28 Fe0.5 H2 Mg3.7 Mn1.599 Na0.21 O24 Si7.872 Zn0.749
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al8 Ca4 Fe16 Mg10 Mn10 Na4 O48 Si16 Zn10 (Al4 Ca2 Fe8 Mg5 Mn5 Na2 O24 Si8 Zn5)
Multiplicity: 1