Citation: Oberti, R.; Camara, F.; Caballero, J. M. (2004). Ferri-ottoliniite and ferriwhittakerite, two new end-members of the new Group 5 for monoclinic amphiboles. American Mineralogist, 89, pp. 888-893.
Formula: Al0.1 Ca0.11 F0.7 Fe2.06 H1.3 K0.232 Li1.35 Mg1.47 Mn0.12 Na2.411 O23.3 Si8 Ti0.12 Zn0.4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 F4 Fe10 H4 Li2 Mg10 Mn2 O48 Si16 Ti4 Zn8 (Al2 F2 Fe5 H2 Li Mg5 Mn O24 Si8 Ti2 Zn4)
Multiplicity: 1