AM_Pyroxene-ideal_98 Formula: Al Li Si2 O6 Name: Pyroxene-ideal Unit cell: 9.589 8.766 5.061 90.0 111.7 90.0 , V=395.27 Space group: C12/C1 (15)

Thompson R M , Downs R T , American Mineralogist , 89 (2004) p.614-628, Model pyroxenes II: Structural variation as a function of tetrahedral rotation, model spodumene at 760C after Cameron et al. (1973), with O3-O3-O3 angle = 186.6 and model oxygen radius = 1.267