AM_Hingganite-(Y)_1 Formula: (Y1.7 Ca.3) Fe.31 Si2 O10 (Be1.7 B.3) H2 Name: Hingganite-(Y) Unit cell: 4.739 7.607 9.898 90.0 90.45 90.0 , V=356.81 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 2, Locality: Cuasso al Monte, Italy