Citation: Papike, J.J.; Ross, M.; Clark, J.R. (1969). Crystal-chemical characterization of clinoamphiboles based on five new structure refinements. Mineralogical Society of America: Special Papers, 2, pp. 117-136.
Formula: Al0.3 Ca1.1 Fe0.3 H2 K Mg4.5 Na O24 Si7.4 Ti0.4
Chemical name:K (Na Ca) (Mg4.5 Fe0.3 Ti0.1 Ca0.1) (Si7.4 Al0.3 Ti0.3 O22) (O H)2