AM_Feldspar_8 Formula: Pb.5 (Al Si) O4 Name: Feldspar Unit cell: 8.399 13.061 14.334 90.0 115.28 90.0 , V=1421.84 Space group: I12/C1 (15)

Tribaudino M , Benna P , Bruno E , American Mineralogist , 83 (1998) p.159-166, Structural variations induced by thermal treatment in lead feldspar (PbAl2Si2O8)