Citation: Hawthorne, F. C. (1976). The crystal chemistry of the amphiboles: V. The structure and chemistry of arfvedsonite. The Canadian Mineralogist, 14, pp. 346-356.
Formula: Al0.306 Ca0.158 Fe4.52 H2 K1.414 Mg0.11 Mn0.13 Na2.428 O24 Si7.84 Ti0.094
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al12 Fe10 Mg2 Mn2 O48 Si16 Ti4 (Al6 Fe5 Mg Mn O24 Si8 Ti2)
Multiplicity: 1