AM_Thortveitite_3 Formula: (Sc1.84 Y.16) (Si1.96 Al.04) O7 Name: Thortveitite Unit cell: 6.527 8.507 4.691 90.0 102.78 90.0 , V=254.02 Space group: C12/M1 (12)

Bianchi R , Pilati T , Diella V , Gamaccioli C M , Mannucci G , American Mineralogist , 73 (1988) p.601-607, A re-examination of thortveitite, Sample 4 from Malagasy Republic