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Vladykinite |
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Chakhmourdian A R, Cooper M A, Ball N, Reguir E P, Medici L, Abdu Y A, Antonov A A |
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American Mineralogist 99 (2014) 235-241 |
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Vladykinite, Na3Sr4(Fe2+Fe3+)Si8O24: A new complex sheet silicate from peralkaline |
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rocks of the Murun complex, eastern Siberia, Russia |
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Locality: Murun complex, eastern Siberia, Russia |
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_database_code_amcsd 0020023 |
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5.21381 7.9143 26.0888 90 90.3556 90 P2_1/c |
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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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Na1 .5 .5 .5 .0278 .0125 .0464 .0244 -.0051 .0038 -.0174 |
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Na2 .48483 .44221 .63351 .725 .0210 .0110 .0366 .0153 .0068 .0011 .0130 |
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Ca2 .48483 .44221 .63351 .275 .0210 .0110 .0366 .0153 .0068 .0011 .0130 |
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Sr1 .49578 .902940 .570050 .01107 .01124 .01049 .01149 .00041 .00051 -.00036 |
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Sr2 .50609 .58890 .776998 .92 .01184 .01087 .01313 .01153 .00114 .00042 -.00075 |
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K2 .50609 .58890 .776998 .02 .01184 .01087 .01313 .01153 .00114 .00042 -.00075 |
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La2 .50609 .58890 .776998 .01 .01184 .01087 .01313 .01153 .00114 .00042 -.00075 |
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Ce2 .50609 .58890 .776998 .005 .01184 .01087 .01313 .01153 .00114 .00042 -.00075 |
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Fe2+ .00453 .75589 .675450 .375 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Fe3+ .00453 .75589 .675450 .33 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Mn .00453 .75589 .675450 .13 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Zn .00453 .75589 .675450 .08 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Al .00453 .75589 .675450 .06 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Mg .00453 .75589 .675450 .025 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Ti .00453 .75589 .675450 .005 .01134 .01494 .00987 .00921 .00097 .00026 .00018 |
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Si1 .94527 .39083 .714236 .01073 .00941 .0103 .01253 -.00032 .00084 -.00214 |
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Si2 .95867 .10612 .634013 .01018 .00984 .0119 .00877 .00098 .00032 -.00105 |
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Si3 .05166 .23197 .531395 .00944 .01026 .00856 .00950 .00120 .00122 .00102 |
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Si4 .02973 .60042 .567524 .00895 .00852 .0087 .00961 .00019 .00013 .00002 |
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O1 .2494 .39304 .71818 .0175 .0110 .0194 .0219 -.0013 -.0005 -.0047 |
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O2 .8052 .56879 .70091 .0180 .0159 .0131 .0249 .0020 .0017 .0000 |
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O3 .7963 .32075 .76480 .0170 .0150 .0175 .0185 -.0008 .0047 -.0004 |
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O4 .8411 .26336 .66773 .0169 .0118 .0193 .0198 .0010 -.0001 -.0093 |
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O5 .7412 .58495 .86101 .0209 .0121 .0349 .0157 -.0069 -.0009 .0055 |
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O6 .7921 -.05618 .65173 .0161 .0178 .0156 .0151 -.0010 .0020 .0015 |
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O7 .8648 .14346 .57432 .0138 .0131 .0175 .0107 -.0037 -.0009 .0019 |
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O8 .2852 .11891 .51492 .0155 .0168 .0168 .0131 .0074 .0028 .0010 |
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O9 .1552 .41060 .55787 .0131 .0127 .0090 .0177 .0005 -.0001 -.0012 |
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O10 .1358 .71048 .51702 .0130 .0119 .0140 .0133 .0000 .0007 .0036 |
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O11 .7275 .60334 .57060 .0140 .0100 .0170 .0150 -.0001 .0007 .0000 |
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O12 .1881 .67881 .61515 .0145 .0140 .0152 .0143 -.0010 -.0026 -.0017 |
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