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: A6 - Q99 N.3. The Canadian Mineralogist, 34, pp. 577-593.
Formula: Al2.16 Ca1.2 Fe1.48 H2 Mg2.34 Na4.74 O24 Si7.04 Ti0.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Fe14 H4 Mg10 Na4 O48 Si16 Ti4 (Al6 Ca2 Fe7 H2 Mg5 Na2 O24 Si8 Ti2)
Multiplicity: 1