AM_Albite_22 Formula: Al Si3 Na O8 Name: Albite Unit cell: 8.137 12.785 7.1583 94.26 116.6 87.71 , V=664.01 Space group: C-1 (2)

Armbruster T , Burgi H B , Kunz M , Gnos E , Bronnimann S , Lienert C , American Mineralogist , 75 (1990) p.135-140, Variation of displacement parameters in structure refinements of low albite, Note: this sample of feldspar is from Roc Tourne, France