Hedenbergite 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-5 Locality: Victoria, Australia _database_code_amcsd 0006345 9.696 8.839 5.276 90 106.64 90 C2/c atom x y z occ Biso CaM2 0 .2977 .25 .637 1.14 NaM2 0 .2977 .25 .139 1.14 FeM2 0 .2977 .25 .138 1.14 MgM2 0 .2977 .25 .082 1.14 MnM2 0 .2977 .25 .004 1.14 AlM1 0 .9056 .25 .191 .51 FeM1 0 .9056 .25 130 .51 MgM1 0 .9056 .25 .640 .51 TiM1 0 .9056 .25 .035 .51 CrM1 0 .9056 .25 .004 .51 SiT .2889 .0926 .2320 .889 .65 AlT .2889 .0926 .2320 .111 .65 O1 .1140 .0854 .1388 .86 O2 .3634 .2537 .3216 1.20 O3 .3523 .0178 -.0012 .93