AM_Gadolinite-(Y)_3
Formula: (Y1.38 Dy.4 Ca.22) (Be1.36 B.64) Fe.5 Si2 O10
Name: Gadolinite-(Y)
Unit cell: 4.743 7.568 9.9 90.0 90.41 90.0 , V=355.35
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: Beura, Ossola, Italy, Sample: 3, Note: structure from ICSD