Citation: Hawthorne, F.C.; Sardone, N.; Oberti, R. (1996). Sodium at the A site in clinoamphiboles: The effects of composition on the patterns of order. Canadian Mineralogist, 34, pp. 577-593.
Formula: Al2.96 Ca1.75 Fe0.69 H2 K0.04 Mg3.23 Mn0.01 Na1.2 O24 Si6.12
Chemical name: (Na0.96 K0.04) (Na0.24 Ca1.75 Mn0.01) (Mg3.23 Fe0.69 Al1.08) ((Si6.12 Al1.88) O22) (O H)2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Fe10 H4 Mg10 Mn4 Na4 O48 Si16 (Al6 Ca2 Fe5 H2 Mg5 Mn2 Na2 O24 Si8)
Multiplicity: 1