AM_Ca2Sr8Al2Si2O8_2 Formula: (Ca.2 Sr.8) Si2 Al2 O8 Name: Ca.2Sr.8Al2Si2O8 Unit cell: 8.209 12.78 14.009 90.0 115.27 90.0 , V=1329.06 Space group: I12/C1 (15)

Benna P , Nestola F , Ballaran T B , Balic-Zunic T , Lundegaard L F , Bruno E , American Mineralogist , 92 (2007) p.1190-1199, The high-pressure structural configurations of Ca0.2Sr0.8Al2Si2O8 feldspar: