Citation: Hawthorne, F. C.; Oberti, R.; Sardone, N. (1996). Sodium at the A site in clinoamphiboles: the effects of composition on patterns of order Sample: A7 - D163 N.2. The Canadian Mineralogist, 34, pp. 577-593.
Formula: Al1.98 Ca1.12 F0.26 Fe1.4 H1.74 K0.022 Mg2.42 Na1.58 O23.74 Si7.24 Ti0.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca8 F4 Fe18 H4 Mg10 Na8 O48 Si16 Ti4 (Al6 Ca4 F2 Fe9 H2 Mg5 Na4 O24 Si8 Ti2)
Multiplicity: 1