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: Al2.88 Ca1.06 Fe0.91 H2 Mg2.93 Na1.94 O24 Si6.24 Ti0.04
Chemical name: Na (Na0.94 Ca1.06) (Mg2.93 Fe0.91 Al1.12 Ti0.04) ((Si6.24 Al1.76) O22) (O H)2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Fe10 H4 Mg10 O48 Si16 Ti4 (Al6 Fe5 H2 Mg5 O24 Si8 Ti2)
Multiplicity: 1