Citation: Oberti, R.; Ungaretti, L.; Cannillo, E.; Hawthorne, F. C. (1992). The behaviour of Ti in amphiboles: I. Four- and six-coordinate Ti in richterite Sample: R(6) Potassium-fluor-richterite. European Journal of Mineralogy, 4, pp. 425-439.
Formula: Al0.085 Ca0.97 F0.719 Fe0.543 H1.281 K0.777 Mg3.964 Mn0.016 Na1.199 O23.281 Si7.72 Ti0.672
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 F4 Fe10 Mg10 Mn10 O48 Si16 Ti26 (Al8 F2 Fe5 Mg5 Mn5 O24 Si8 Ti13)
Multiplicity: 1