AM_Pyroxene-ideal_117 Formula: Zn Si O3 Name: Pyroxene-ideal Unit cell: 9.755 9.083 5.244 90.0 107.9 90.0 , V=442.15 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 zinc px after Morimoto et al. (1975), with O3-O3-O3 angle = 161.3 and model oxygen radius = 1.329