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: Al2.88 Ca1.06 Fe0.9 H2 Mg2.94 Na2.94 O24 Si6.24 Ti0.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al20 Fe10 H4 Mg10 O48 Si16 Ti4 (Al10 Fe5 H2 Mg5 O24 Si8 Ti2)
Multiplicity: 1