Citation: Hawthorne, F.C.; Oberti, R.; Sardone, N. (1996). Sodium at the A site in clinoamphiboles: The effects of composition on the patterns of order. Canadian Mineralogist, 34, pp. 577-593.
Formula: Al2.26 Ca0.79 F1.02 Fe1.7 H0.98 Mg2.42 Na2.13 O22.98 Si6.6 Ti0.02
Chemical name: Na0.92 (Na1.21 Ca0.79) (Mg2.42 Fe1.7 Al0.86 Ti0.02) (Si6.6 Al1.4) O22 F1.02 (O H).98
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 F4 Fe10 H4 Mg10 O48 Si16 Ti4 (Al6 F2 Fe5 H2 Mg5 O24 Si8 Ti2)
Multiplicity: 1