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Paraniite-(Y) |
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Demartin F, Gramaccioli C M, Pilati T |
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Acta Crystallographica C48 (1992) 1357-1359 |
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Structure of a new natural tungstate arsenate, [Ca2Y(AsO4)(WO4)2], structurally |
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related to scheelite |
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Locality: Alpine fissures, Pizzo Cervandone area, Ossola Valley, Italy |
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Note: anisoU's from ICSD |
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_database_code_amcsd 0010274 |
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5.135 5.135 33.8820 90 90 90 *I4_1/a |
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0 .25 .125 |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca .5 .25 .04167 .0125 .0136 .0149 .0091 .0035 0 0 |
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Y 0 .25 .125 .00898 .0108 .0108 .0052 0 0 0 |
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As .5 .75 .125 .00842 .0103 .0103 .0047 0 0 0 |
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W 0 .75 .04679 .01032 .01106 .00951 .01038 .0015 0 0 |
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O1 .2437 .8853 .0160 .0171 .020 .020 .011 .001 .002 -.001 |
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O2 .1559 .4784 .0705 .0158 .015 .019 .013 .000 .000 .002 |
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O3 .3220 -.0340 .0977 .0205 .025 .023 .014 .007 .000 .002 |
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View JMOL 3-D Structure (permalink) |
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