AM_Vesuvianite_6 Formula: Ca9.5 Mg.26 Fe.36 Al5.88 Si9 O39 H5 Name: Vesuvianite Unit cell: 15.546 15.546 11.828 90.0 90.0 90.0 , V=2858.57 Space group: P4/NNC (126)

Ohkawa M , Yoshiasa A , Takeno S , American Mineralogist , 77 (1992) p.945-953, Crystal chemistry of vesuvianite: Site preferences of square-pyramidal, coordinated sites, sample #4 from Chichibu