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
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Petedunnite
Redhammer G J, Roth G
Acta Crystallographica C61 (2005) i20-i22
A comparison of the clinopyroxene compounds CaZnSi2O6 and CaZnGe2O6
Locality: synthetic
_database_code_amcsd 0010331
9.7955 8.9781 5.251 90 106.033 90 C2/c
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca 0 .29913 .25 .00825 .0084 .0102 .0047 0 -.0006 0
Zn .5 .40553 .25 .00613 .0059 .0076 .0046 0 .00094 0
Si .28648 .09259 .22949 .00389 .0034 .0054 .0032 -.0002 .0014 -.0006
O1 .1166 .08882 .1442 .0057 .0038 .0087 .0047 .0002 .0014 .0004
O2 .3603 .2480 .3220 .0080 .0091 .0076 .0078 -.0027 .0031 .0001
O3 .35015 .0188 -.0063 .0062 .0044 .0092 .0050 -.0009 .0015 -.0015
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