AM_Hingganite-(Y)_2 Formula: (Y1.6 Ca.4) Fe.26 Si2 O10 (Be1.6 B.4) H2 Name: Hingganite-(Y) Unit cell: 4.743 7.617 9.905 90.0 90.47 90.0 , V=357.83 Space group: P121/C1 (14)

DeMartin F , Minaglia A , Gramaccioli C M , The Canadian Mineralogist , 39 (2001) p.1105-1114, Characterization of gadolinite-group minerals using crystallographic, data only: The case of hingganite-(Y) from Cuasso al Monte, Italy, Sample 3, Locality: Cuasso al Monte, Italy