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(1). European Journal of Mineralogy, 7, pp. 1049-1063.
Formula: Al0.83 Ca1.67 F0.027 Fe1.4 H1.973 K0.04 Mg3.65 Mn0.03 Na0.15 O23.973 Si7.38
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al14 Ca8 F4 Fe18 H4 Mg10 Mn8 Na8 O48 Si16 (Al7 Ca4 F2 Fe9 H2 Mg5 Mn4 Na4 O24 Si8)
Multiplicity: 1