Diopside Dal Negro A, Manoli S, Secco L, Piccirillo E M European Journal of Mineralogy 1 (1989) 105-121 Megacrystic clinopyroxenes from Victoria (Australia): Crystal chemical comparisons of pyroxenes from high and low pressure regimes Sample: Fr-1 Locality: Victoria, Australia _database_code_amcsd 0006341 9.695 8.841 5.277 90 106.62 90 C2/c atom x y z occ Biso CaM2 0 .2983 .25 .646 1.10 NaM2 0 .2983 .25 .143 1.10 FeM2 0 .2983 .25 .144 1.10 MgM2 0 .2983 .25 .064 1.10 MnM2 0 .2983 .25 .003 1.10 AlM1 0 .9058 .25 .203 .45 FeM1 0 .9058 .25 .127 .45 MgM1 0 .9058 .25 .626 .45 TiM1 0 .9058 .25 .044 .45 SiT .2889 .0927 .2317 .8915 .59 AlT .2889 .0927 .2317 .1085 .59 O1 .1141 .0854 .1384 .83 O2 .3634 .2537 .3210 1.09 O3 .3523 .0178 -.0015 .89