AM_Albite_30 Formula: Na Al Si3 O8 Name: Albite Unit cell: 7.8925 12.64 7.0667 94.177 117.074 88.128 , V=626.06 Space group: C-1 (2)

Downs R T , Hazen R M , Finger L W , American Mineralogist , 79 (1994) p.1042-1052, The high-pressure crystal chemistry of low albite and the origin of the, pressure dependency of Al-Si ordering, P = 3.78 GPa, Note: sample is from Crete