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Dissakisite-(Ce) |
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Rouse R C, Peacor D R |
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The Canadian Mineralogist 31 (1993) 153-157 |
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The crystal structure of dissakisite-(Ce),the |
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Mg analogue of allanite-(Ce) |
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Locality: Balchen Mountain, East Antartica |
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_database_code_amcsd 0005294 |
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8.905 5.684 10.113 90 114.62 90 P2_1/m |
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atom x y z occ Biso |
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Ca1 .2380 1/4 .8480 0.60 |
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Ce2 .40515 1/4 .57282 .57 .735 |
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La2 .40515 1/4 .57282 .33 .735 |
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Nd2 .40515 1/4 .57282 .07 .735 |
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Pr2 .40515 1/4 .57282 .03 .735 |
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Al1 0 0 0 .83 0.53 |
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Ti1 0 0 0 .17 0.53 |
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Al2 0 0 1/2 0.23 |
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Mg3 .2980 1/4 .2128 .855 0.45 |
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Fe3 .2980 1/4 .2128 .145 0.45 |
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Si1 .6624 1/4 .9609 0.27 |
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Si2 .6859 1/4 .2807 0.25 |
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Si3 .8144 1/4 .6791 0.23 |
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O1 .7647 .0088 .9657 0.45 |
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O2 .6919 .0255 .6400 0.43 |
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O3 .7945 .0138 .3405 0.34 |
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O4 .0508 1/4 .1293 0.43 |
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O5 .9540 1/4 .8503 0.39 |
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O6 .9340 1/4 .5911 0.29 |
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O7 .4886 1/4 .8235 0.54 |
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O8 .5374 1/4 .3293 0.08 |
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O9 .6190 1/4 .1031 0.07 |
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O10 .0821 1/4 .4266 0.05 |
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H .077 1/4 .349 2.00 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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Dissakisite-(Ce) |
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Hoshino M, Kimata M, Nishida N, Shimizu M |
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Physics and Chemistry of Minerals 35 (2008) 59-70 |
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Crystal chemical significance of chemical zoning in dissakisite-(Ce) |
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Locality: Trimouns dolomite mine, France |
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_database_code_amcsd 0009130 |
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8.899 5.6836 10.095 90 114.729 90 P2_1/m |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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CaA1 .2383 .25 .8479 .998 .0231 .026 .0222 .023 0 .0120 0 |
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LaA2 .40553 .25 .57232 .202 .0202 .0191 .0221 .0180 0 .0065 0 |
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CeA2 .40553 .25 .57232 .349 .0202 .0191 .0221 .0180 0 .0065 0 |
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PrA2 .40553 .25 .57232 .059 .0202 .0191 .0221 .0180 0 .0065 0 |
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NdA2 .40553 .25 .57232 .197 .0202 .0191 .0221 .0180 0 .0065 0 |
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SmA2 .40553 .25 .57232 .035 .0202 .0191 .0221 .0180 0 .0065 0 |
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GdA2 .40553 .25 .57232 .018 .0202 .0191 .0221 .0180 0 .0065 0 |
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CaA2 .40553 .25 .57232 .115 .0202 .0191 .0221 .0180 0 .0065 0 |
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FeA2 .40553 .25 .57232 .025 .0202 .0191 .0221 .0180 0 .0065 0 |
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AlM1 0 0 0 .0201 .019 .020 .020 .001 .006 -.001 |
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AlM2 0 0 .5 .0196 .021 .018 .020 .001 .008 -.000 |
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AlM3 .2962 .25 .2124 .126 .0192 .017 .019 .020 0 .006 0 |
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FeM3 .2962 .25 .2124 .213 .0192 .017 .019 .020 0 .006 0 |
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MgM3 .2962 .25 .2124 .661 .0192 .017 .019 .020 0 .006 0 |
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Si1 .6635 .25 .9604 .0192 .018 .018 .020 0 .007 0 |
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Si2 .6841 .25 .2811 .0186 .018 .019 .018 0 .007 0 |
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Si3 .8155 .25 .6792 .0183 .018 .018 .018 0 .0069 0 |
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O1 .7664 .0086 .9661 .024 .025 .021 .026 .003 .011 .003 |
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O2 .6909 .026 .6381 .024 .025 .023 .022 -.006 .008 -.003 |
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O3 .7931 .0115 .3422 .024 .022 .021 .025 .003 .007 .000 |
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O4 .0512 .25 .1276 .022 .021 .021 .020 0 .007 0 |
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O5 .9534 .25 .8516 .021 .025 .019 .020 0 .010 0 |
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O6 .938 .25 .5922 .022 .023 .020 .022 0 .008 0 |
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O7 .4904 .25 .8239 .021 .020 .024 .021 0 .011 0 |
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O8 .535 .25 .3290 .029 .027 .039 .023 0 .012 0 |
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O9 .617 .25 .1040 .026 .026 .023 .024 0 .008 0 |
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OH10 .0796 .25 .4238 .024 .027 .023 .019 0 .007 0 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
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