Citation: Makino, K.; Tomita, K. (1989). Cation distribution in the octahedral sites of hornblendes. American Mineralogist, 74, pp. 1097-1105.
Formula: Al2.53 Ca1.7 Fe1.57 H2 K0.06 Mg2.64 Na0.96 O24 Si6.19 Ti0.19
Chemical name: Na0.96 K0.06 Ca1.7 Mg2.64 Fe1.57 Al0.72 Ti0.19 (Al1.81 Si6.19 O22) (O H)2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al20 Ca4 Fe14 Mg10 Na4 O48 Si16 Ti4 (Al10 Ca2 Fe7 Mg5 Na2 O24 Si8 Ti2)
Multiplicity: 1