AM_Gadolinite-(Y)_4 Formula: (Y1.42 Dy.28 Ca.3) (Be1.34 B.66) Fe.54 Si2 O10 Name: Gadolinite-(Y) Unit cell: 4.746 7.562 9.903 90.0 90.48 90.0 , V=355.40 Space group: P121/C1 (14)

Demartin F , Pilati T , Diella V , Gentile P , Gramaccioli C M , The Canadian Mineralogist , 31 (1993) p.127-136, A crystal-chemical investigation of alpine gadolinite, Locality: Val Nalps, Switzerland, Sample: 6, Note: structure from ICSD