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: A12 - KP N.1. The Canadian Mineralogist, 34, pp. 577-593.
Formula: Al2.04 Ca1.76 F0.04 Fe0.69 H1.96 K0.038 Mg3.23 Na1.204 O23.96 Si7.04
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 F4 Fe10 H4 Mg10 O48 Si16 (Al6 F2 Fe5 H2 Mg5 O24 Si8)
Multiplicity: 1