Citation: Makino, K.; Tomita, K. (1989). Cation distribution in the octahedral sites of hornblendes. American Mineralogist, 74, pp. 1097-1105.
Formula: Al3.01 Ca1.99 Cl0.16 Fe0.84 H1.64 K0.59 Mg3.13 Na0.35 O23.84 Si5.96 Ti0.05
Chemical name: Na0.35 K0.59 Ca1.99 Mg3.13 Fe0.84 Al0.97 Ti0.05 (Al2.04 Si5.96 O22.2) (O H)1.64 Cl0.16
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al20 Cl4 Fe10 Mg10 O48 Si16 Ti4 (Al10 Cl2 Fe5 Mg5 O24 Si8 Ti2)
Multiplicity: 1