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: A5 - G230F N.3. The Canadian Mineralogist, 34, pp. 577-593.
Formula: Al2 Ca1.06 Fe0.9 H2 Mg2.94 Na4.94 O24 Si7.12 Ti0.04
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