AM_Microcline_2 Formula: (Al Si3) (K.89 Na.11) O8 Name: Microcline Unit cell: 8.552 12.975 7.205 90.09 115.92 89.51 , V=719.03 Space group: C-1 (2)

Griffen D T , Johnson B T , American Mineralogist , 69 (1984) p.1072-1077, Strain in triclinic alkali feldspars: a crystal structure study, intermediate