Citation: Evans, B. W.; Yang, H. (1998). Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient and high temperature Sample: AMNH 44973, from Cumberland, Rhode Island in a quartzite. American Mineralogist, 83, pp. 458-475.
Formula: Al0.294 Ca1.772 F0.048 Fe2.757 H1.836 K0.022 Mg2.049 Mn0.316 Na0.192 O23.952 Si7.756 Ti0.004
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Ca4 F4 Fe14 H4 Mg14 Mn12 Na4 O48 Si16 Ti4 (Al6 Ca2 F2 Fe7 H2 Mg7 Mn6 Na2 O24 Si8 Ti2)
Multiplicity: 1