AM_Sanidine_8
Formula: K.789 Na.16 Ba.014 Fe.003 (Al Si3) O8
Name: Sanidine
Unit cell: 8.531 13.007 7.179 90.0 116.0 90.0 , V=715.98
Space group: C12/M1 (12)

Kimata M , Shimizu M , Saito S , European Journal of Mineralogy , 8 (1996) p.15-24, High-temperature crystal structure of sanidine, Part II. The crystal structure of sanidine at 935 C, Sample: T = 23 C, feldspar