AM_Gadolinite-(Y)_8
Formula: (Y Gd.72 Ca.28) (Be1.44 B.56) Fe.22 Si2 O10
Name: Gadolinite-(Y)
Unit cell: 4.752 7.629 9.894 90.0 90.24 90.0 , V=358.68
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: Glogstafelberg, Val Formazza, Italy, Sample: 10, Note: structure from ICSD