AM_Pyroxene-ideal_123 Formula: Al Li Si2 O6 Name: Pyroxene-ideal Unit cell: 9.292 8.459 4.884 90.0 109.6 90.0 , V=361.64 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 = 8.835 GPa after Arlt and Angel (2000) with, O3A-O3A-O3A angle = 206.4, O3B-O3B-O3B angle = 143.5, and model oxygen radius = 1.254