Citation: Oberti, R.; Ungaretti, L.; Hawthorne, F.C.; Cannillo, E. (1993). The behaviour of Mn in amphiboles: Mn in richterite. European Journal of Mineralogy (1,1989-), 5, pp. 43-51.
Formula: Ca0.92 F0.36 Fe0.2 H1.64 K0.36 Mg3.98 Mn Na1.45 O23.64 Si8
Chemical name: (Na0.55 K0.36) (Na0.9 Ca0.92 Mn0.18) (Mg3.98 Fe0.2 Mn0.82) (Si8 O22) F0.36 (O H)1.64
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Ca4 F4 Fe4 H4 Mg10 Mn8 Na4 O48 Si16 (Ca2 F2 Fe2 H2 Mg5 Mn4 Na2 O24 Si8)
Multiplicity: 1