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(5) Potassium-fluor-richterite. European Journal of Mineralogy, 4, pp. 425-439.
Formula: Al0.08 Ca0.966 F0.664 Fe0.583 H1.336 K0.772 Mg3.889 Mn0.01 Na1.173 O23.336 Si7.73 Ti0.708
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