Citation: Oberti, R.; Hawthorne, F.C.; Ungaretti, L.; Cannillo, E. (1993). The mechanism of Cl incorporation in amphibole. American Mineralogist, 78, pp. 746-752.
Formula: Al2.3 Ca1.94 F0.28 Fe2.78 H1.72 K0.4 Mg1.84 Na0.36 O23.72 Si6.08
Chemical name: (Na0.3 K0.4) (Ca1.94 Na0.06) (Mg1.84 Fe2.78 Al0.38) (Si6.08 Al1.92 O22) (O H)1.72 F0.28
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