AM_Pb2Al2Si2O9
Formula: Pb2 Al2 Si2 O9
Name: Pb2Al2Si2O9
Unit cell: 6.8981 10.6906 9.7413 90.0 90.0 90.0 , V=718.37
Space group: PBCN (60)

Dorsam G , Liebscher A , Wunder B , Franz G , American Mineralogist , 93 (2008) p.573-583, Crystal structures of synthetic melanotekite (Pb2Fe2Si2O9), kentrolite, (Pb2Mn2Si2O9), and the aluminum analogue (Pb2Al2Si2O9)