AM_Jadeite
Formula: Na Al Si2 O6
Name: Jadeite
Unit cell: 9.418 8.562 5.219 90.0 107.58 90.0 , V=401.19
Space group: C12/C1 (15)

Prewitt C T , Burnham C W , American Mineralogist , 51 (1966) p.956-975, The crystal structure of jadeite, NaAlSi2O6