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Poppiite |
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Brigatti M F, Caprilli E, Marchesini M |
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American Mineralogist 91 (2006) 584-588 |
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Poppiite, the V3+ end-member of the pumpellyite group: Description and crystal structure |
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Locality: Gambatesa mine, val Graveglia, Genova, Northern Italy |
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_database_code_amcsd 0004139 |
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19.2889 6.0444 8.8783 90 97.328 90 C2/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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CaW1 .3397 .5 .2525 .96 .012 .010 .013 .015 0 .003 0 |
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NaW1 .3397 .5 .2525 .04 .012 .010 .013 .015 0 .003 0 |
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CaW2 .1556 .5 .1918 .96 .015 .011 .010 .023 0 -.001 0 |
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NaW2 .1556 .5 .1918 .04 .015 .011 .010 .023 0 -.001 0 |
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V3+X .25 .25 .5 .32 .010 .011 .009 .012 .001 .002 .001 |
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Fe3+X .25 .25 .5 .26 .010 .011 .009 .012 .001 .002 .001 |
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MgX .25 .25 .5 .20 .010 .011 .009 .012 .001 .002 .001 |
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Mn2+X .25 .25 .5 .15 .010 .011 .009 .012 .001 .002 .001 |
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AlX .25 .25 .5 .08 .010 .011 .009 .012 .001 .002 .001 |
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Cu2+X .25 .25 .5 .01 .010 .011 .009 .012 .001 .002 .001 |
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V3+Y .4954 .2476 .2536 .86 .008 .008 .008 .009 0 .001 0 |
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AlY .4954 .2476 .2536 .13 .008 .008 .008 .009 0 .001 0 |
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TiY .4954 .2476 .2536 .01 .008 .008 .008 .009 0 .001 0 |
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SiT1 .0932 0 .0509 .97 .009 .008 .009 .009 0 .001 0 |
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AlT1 .0932 0 .0509 .03 .009 .008 .009 .009 0 .001 0 |
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SiT2 .2489 0 .1637 .97 .010 .010 .008 .011 0 -.001 0 |
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AlT2 .2489 0 .1637 .03 .010 .010 .008 .011 0 -.001 0 |
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SiT3 .4020 0 .4653 .97 .009 .008 .010 .009 0 .001 0 |
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AlT3 .4020 0 .4653 .03 .009 .008 .010 .009 0 .001 0 |
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O1 .0754 .2218 .1386 .012 .013 .011 .014 .001 .004 -.001 |
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O2 .2471 .2280 .2627 .012 .013 .010 .014 0 .001 -.002 |
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O3 .4140 .2193 .3649 .012 .012 .011 .013 .002 .002 .002 |
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O4 .4425 .5 .1274 .010 .011 .011 .009 0 0 0 |
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O5 .4580 0 .1253 .013 .014 .016 .009 0 0 0 |
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O6 .0458 .5 .3736 .011 .010 .011 .011 0 -.001 0 |
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O7 .5329 .5 .3752 .014 .020 .013 .009 0 .001 0 |
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O8 .1781 0 .0346 .012 .009 .015 .012 0 0 0 |
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O9 .3244 0 .5252 .014 .008 .020 .014 0 .001 0 |
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O10 .3143 0 .0638 .016 .010 .022 .015 0 .003 0 |
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O11 .1846 0 .4980 .014 .011 .019 .012 0 .002 0 |
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H5 .468 0 .034 .025 |
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H7 .541 .5 .483 .020 |
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H10 .365 0 .104 .021 |
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H11 .142 0 .438 .025 |
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View JMOL 3-D Structure (permalink) |
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