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Chopinite |
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Grew E S, Armbruster T, Medenbach O, Yates M G, Carson C J |
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European Journal of Mineralogy 19 (2007) 229-245 |
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Chopinite, [(Mg,Fe)3_](PO4)2, a new mineral isostructural with sarcopside, |
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from a fluorapatite segregation in granulite-facies paragneiss, Larsemann Hills, |
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Prydz Bay, East Antarctica |
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Locality: Brattnevet, Larsemann Hills, Prydz Bay, East Antarctica |
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_database_code_amcsd 0007216 |
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5.9305 4.7583 10.2566 90 90.663 90 P2_1/c |
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atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg1 .5 0 .5 .482 .77 .0126 .0065 .0103 -.0006 .0024 .0001 |
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Fe1 .5 0 .5 .518 .77 .0126 .0065 .0103 -.0006 .0024 .0001 |
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Fe2 .2377 .0118 .77910 .107 .70 .0093 .0088 .0086 -.0001 .0009 .0001 |
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Mg2 .2377 .0118 .77910 .893 .70 .0093 .0088 .0086 -.0001 .0009 .0001 |
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P .2562 -.4293 .59884 .76 .0112 .0078 .0099 .0000 .0005 -.0002 |
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O1 .2756 .2519 .6058 .89 .013 .009 .012 .0009 .0014 -.0007 |
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O2 .2552 -.3189 .4588 .92 .014 .0115 .0101 -.0010 -.0003 -.0002 |
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O3 .0612 -.3153 .6789 .97 .011 .011 .015 -.0008 .0033 -.0019 |
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O4 .5334 .2781 .3373 .95 .013 .0096 .014 .0000 .0003 -.0014 |
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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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Chopinite |
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Berthet G, Joubert J, Bertaut E |
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Zeitschrift fur Kristallographie 136 (1972) 98-105 |
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Vacancies ordering in new metastable orthophosphates (Co3)P2O8 |
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and (Mg3)P2O8 with olivine-related structure |
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_cod_database_code 1008830 |
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_database_code_amcsd 0016699 |
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5.911 10.214 4.734 90 90 90.99 P2_1/b |
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atom x y z |
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Mg1 .5 0 0 |
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Mg2 .263 .277 -.023 |
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P1 .242 .103 .426 |
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O1 .266 .079 .746 |
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O2 .239 .453 .202 |
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O3 .059 .190 .350 |
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O4 .439 .145 .272 |
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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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