AM_Gadolinite-(Y)_5
Formula: (Y1.58 Dy.36 Ca.06) (Be1.82 B.18) Fe.76 Si2 O10
Name: Gadolinite-(Y)
Unit cell: 4.759 7.564 9.968 90.0 90.43 90.0 , V=358.81
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: Strada , Val Vigezzo, Italy, Sample: 7, Note: structure from ICSD