AM_Feldspar_16 Formula: Pb (Si1.42 Al.58) O4 Name: Feldspar Unit cell: 8.448 13.057 7.166 90.0 115.25 90.0 , V=714.93 Space group: C12/M1 (12)

Benna P , Tribaudino M , Bruno E , American Mineralogist , 84 (1999) p.120-129, High-temperature in situ structural investigation on lead feldspar, Sample at T = 700 C, single Pb atom model