Citation: Mitchell, J.T.; Bloss, F.D.; Gibbs, G.V. (1971). Examination of the actinolite structure and four other C2/m amphiboles. Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977), 133, pp. 273-300.
Formula: Al0.4 Ca1.76 Fe3.04 H2 Mg1.88 Mn0.16 Na0.08 O24 Si7.68
Chemical name: Na.08 Ca1.76 Mn.16 Mg1.88 Fe3.04 Al.40 Si7.68 O22 (O H)2
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Fe14 Mg10 Mn4 Na4 O48 Si16 (Al6 Ca2 Fe7 Mg5 Mn2 Na2 O24 Si8)
Multiplicity: 1