Citation: Oberti, R.; Ungaretti, L.; Cannillo, E.; Hawthorne, F. C.; Memmi, I. (1995). Temperature-dependent Al order-disorder in the tetrahedral double chain of C2/m amphiboles Sample: S(7). European Journal of Mineralogy, 7, pp. 1049-1063.
Formula: Al0.99 Ca1.83 F0.042 Fe1.45 H1.958 K0.1 Mg3.06 Mn0.02 Na0.47 O23.958 Si7.31 Ti0.33
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al22 Ca8 F4 Fe18 H4 Mg10 Mn8 Na8 O48 Si16 Ti4 (Al11 Ca4 F2 Fe9 H2 Mg5 Mn4 Na4 O24 Si8 Ti2)
Multiplicity: 1