Citation: Papike, J.J.; Clark, J.R.; Ross, M. (1969). Crystal-chemical characterization of clinoamphiboles based on five new structure refinements. Mineralogical Society of America: Special Papers, 2, pp. 117-136.
Formula: Ca0.2 F Fe0.55 H Mg4.2 Mn2.05 O23 Si8
Chemical name:Ca0.2 Mg4.2 Fe0.55 Mn2.05 Si8 O22 (O H) F