AM_Albite_44 Formula: Na (Al Si Ge2) O8 Name: Albite Unit cell: 8.3314 13.1562 7.2657 94.255 116.3 90.563 , V=711.17 Space group: C-1 (2)

Kroll H , Flogel J , Breit U , Lons J , Pentinghaus H , European Journal of Mineralogy , 3 (1991) p.739-749, Order and anti-order in Ge-substituted alkali feldspars, Sample: Na[AlSiGe2O8] synthesized at 1040 deg C