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: Al3.12 Ca1.2 Fe1.48 H2 Mg2.34 Na2.74 O24 Si6.08 Ti0.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al20 Ca4 Fe14 H4 Mg10 Na4 O48 Si16 Ti4 (Al10 Ca2 Fe7 H2 Mg5 Na2 O24 Si8 Ti2)
Multiplicity: 1