Citation: Evans, B. W.; Yang, H. (1998). Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: ID4-4C, from Isua Belt, East Greenland, in an iron formation. American Mineralogist, 83, pp. 458-475.
Formula: Al0.024 Ca1.814 Cl0.03 F0.01 Fe3.112 H1.86 Mg1.954 Mn0.088 Na0.018 O23.96 Si7.988 Ti0.002
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 Cl4 F4 Fe14 H4 Mg14 Mn12 Na4 O48 Si16 Ti4 (Al6 Ca2 Cl2 F2 Fe7 H2 Mg7 Mn6 Na2 O24 Si8 Ti2)
Multiplicity: 1