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Voltaite |
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Biagioni C, Mauro D, Pasero M, Bonaccorsi E, Lepore G O, Zaccarini F, Skogby H |
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American Mineralogist 105 (2020) 1088-1098 |
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Crystal-chemistry of sulfates from the Apuan Alps (Tuscany, Italy). |
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VI. Tl-bearing alum-(K) and voltaite from the Fornovolasco mining complex |
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Locality: Fornovolasco mine, Apuan Alps, Italy |
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_database_code_amcsd 0020897 |
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27.2635 27.2635 27.2635 90 90 90 *Fd3c |
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.375 .375 .375 |
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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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K .25 .25 .25 .936 .0358 .0358 .0358 .0358 .0106 .0106 .0106 |
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Tl .25 .25 .25 .064 .0358 .0358 .0358 .0358 .0106 .0106 .0106 |
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Fe1 0 0 0 .982 .0152 .0152 .0152 .0152 .0026 .0026 .0026 |
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Mg1 0 0 0 .018 .0152 .0152 .0152 .0152 .0026 .0026 .0026 |
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Fe2 .25 .10274 -.10274 .746 .0170 .0191 .0160 .0160 -.0005 -.0005 -.0003 |
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Mg2 .25 .10274 -.10274 .254 .0170 .0191 .0160 .0160 -.0005 -.0005 -.0003 |
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Al .125 .125 .125 .0129 .0129 .0129 .0129 .000 .000 .000 |
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S .23742 .27552 .11854 .0148 .0158 .0142 .0145 .0000 .0001 -.0002 |
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O1 .24984 .24646 .07377 .0230 .0271 .0237 .0181 .0047 -.0051 -.0038 |
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O2 .22466 .32600 .10409 .0298 .044 .0168 .0289 .0038 -.0038 .0014 |
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O3 .19484 .25393 .14332 .0391 .034 .036 .048 -.0129 .0153 -.0010 |
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O4 .28004 .27514 .15208 .0303 .028 .044 .0193 .0061 -.0031 -.0077 |
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OW5 .18263 .41982 .12142 .0163 .0121 .0281 .0085 -.0048 .0005 .0028 |
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OW6 .0896 .1464 .0703 .25 .030 .026 .036 .028 -.007 -.006 .000 |
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OW7 .0692 .0889 .1041 .25 .030 .026 .036 .028 -.007 -.006 .000 |
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H52 .172 .424 .1530 .08 |
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H53 .167 .433 .094 .08 |
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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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Voltaite |
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Mereiter K |
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Tschermaks Mineralogische und Petrographische Mitteilungen 18 (1972) 185-202 |
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Die kristallstruktur des voltaits, K2Fe2+5Fe3+3Al[SO4]12*18H2O |
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_database_code_amcsd 0015642 |
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27.254 27.254 27.254 90 90 90 *Fd3c |
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.375 .375 .375 |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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K .25 .25 .25 2.42 .000815 .000815 .000815 .000293 .000293 .000293 |
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Fe1 0 0 0 .77 .000259 .000259 .000259 .000067 .000067 .000067 |
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Fe2+2 .25 .10260 -.10260 .833 1.00 .000343 .000337 .000337 -.000017 -.000017 -.000020 |
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Fe3+2 .25 .10260 -.10260 .167 1.00 .000343 .000337 .000337 -.000017 -.000017 -.000020 |
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Al .125 .125 .125 .75 .000252 .000252 .000252 .000000 .000000 .000000 |
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S .23718 .27548 .11810 .85 .000310 .000276 .000273 -.000017 .000007 -.000020 |
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O1 .24978 .24675 .07345 1.29 .000491 .000518 .000296 .000094 -.000081 -.000067 |
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O2 .22387 .32574 .10382 1.86 .000936 .000370 .000569 .000074 -.000061 -.000003 |
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O3 .19490 .25353 .14252 2.43 .000811 .000636 .001000 -.000293 .000320 .000003 |
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O4 .27934 .27529 .15144 1.90 .000599 .000932 .000384 .000172 -.000118 -.000172 |
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Ow5 .18041 .42171 .12172 1.84 .000461 .000781 .000616 .000104 .000050 .000017 |
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Wat6 .08957 .14629 .07076 .25 1.59 .000596 .000589 .000417 .000125 -.000030 -.000145 |
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Wat7 .06896 .08872 .10406 .25 1.84 .000337 .000670 .000848 -.000044 -.000114 .000098 |
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H52 .149 .319 .071 2.85 |
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H53 .104 .305 .079 2.85 |
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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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