AM_Pyroxene-ideal_122 Formula: Al Li Si2 O6 Name: Pyroxene-ideal Unit cell: 9.402 8.587 4.958 90.0 110.2 90.0 , V=375.66 Space group: P121/C1 (14)

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 low clinospodumene at P = 3.342 GPa after Arlt and Angel (2000) with, O3A-O3A-O3A angle = 203.2, O3B-O3B-O3B angle = 152.5, and model oxygen radius = 1.265