Petedunnite Heuer M, Huber A L, Bromiley G D, Fehr K T, Bente K Physics and Chemistry of Minerals 32 (2005) 552-563 Characterization of synthetic hedenbergite (CaFeSi2O6)-petedunnite (CaZnSi2O6) solid solution series by X-ray single crystal diffraction Sample: pd9_1b _database_code_amcsd 0009003 9.8243 8.9939 5.2608 90 105.794 90 C2/c atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) CaM2 0 .30002 .25 .01122 .00946 .00867 0 -.00002 0 ZnM1 0 .90578 .25 .00806 .00874 .00762 0 .00132 0 Si .28641 .09253 .22926 .00549 .00702 .00656 -.00003 .00125 -.00019 O1 .11631 .08909 .14432 .00532 .00993 .00717 .00041 .00029 .00105 O2 .36023 .24824 .32158 .01013 .00828 .01002 -.00251 .00135 -.00069 O3 .34991 .01895 .99359 .00762 .01077 .00798 -.00052 .00173 -.00215