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Vishnevite |
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Della Ventura G, Bellatreccia F, Parodi G C, Camara F, Piccinini M |
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American Mineralogist 92 (2007) 713-721 |
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Single-crystal FTIR and X-ray study of vishnevite, ideally |
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[Na6(SO4)][Na2(H2O)2](Si6Al6O24) |
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Locality: Latium, Italy |
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Sample: Pi4 |
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_database_code_amcsd 0004320 |
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12.7228 12.7228 5.1980 90 90 120 P6_3 |
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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 2/3 1/3 .1333 .83 .034 .019 .019 .064 .010 0 0 |
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Na2 .1141 .2258 .2940 .35 .024 .017 .039 .023 .020 -.004 -.005 |
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K .1458 .2894 .2893 .43 .042 .038 .065 .032 .034 -.003 -.006 |
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Al .3384 .4144 .7570 .009 .009 .010 .008 .006 .000 .001 |
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Si .0834 .4134 .7562 .008 .008 .009 .008 .005 .000 .001 |
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S 0 0 .2918 .29 .045 .040 .040 .057 .020 0 0 |
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O1 .2019 .4044 .6799 .017 .010 .026 .018 .011 .002 .000 |
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O2 .1192 .5535 .7332 .023 .022 .014 .035 .011 .006 .004 |
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O3 .0386 .3599 .0419 .018 .014 .027 .011 .011 .002 .004 |
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O4 .3279 .3527 .0597 .017 .021 .024 .011 .015 -.001 .005 |
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O51 .0615 .1133 .6725 .22 .150 |
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O52 .0496 .1090 .9541 .25 .139 |
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O6 .6184 .3043 .6893 .33 .062 |
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O7 0 0 .0737 .22 .068 |
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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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Vishnevite |
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Hassan I, Grundy H D |
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The Canadian Mineralogist 22 (1984) 333-349 |
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The character of the cancrinite-vishnevite solid-solution series |
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_database_code_amcsd 0005197 |
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12.685 12.685 5.179 90 90 120 P6_3 |
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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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O1 .2017 .4049 .6698 .0129 .0247 .0167 .0123 .0019 .0027 |
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O2 .1175 .5527 .7278 .0227 .0133 .0314 .0106 .0030 .0013 |
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O3 .0406 .3599 .0393 .0141 .0259 .0104 .0085 .0037 .0043 |
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O4 .3255 .3522 .0561 .0221 .0265 .0093 .0171 -.0001 .0033 |
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SiT1 .3380 .4137 .7506 .0089 .0102 .0081 .0057 .0004 .0011 |
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AlT2 .0831 .4124 .7500 .0077 .0104 .0081 .0048 .0004 .0011 |
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O51 .0615 .1133 .6725 .24 .0346 .0356 |
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O52 .0496 .1090 .9541 .24 .0637 .0637 |
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S 0 0 .2918 .24 .0489 .0489 |
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O7 0 0 .0737 .24 .0454 .0454 |
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O6 .6184 .3043 .6893 .33 .0564 .0598 .0818 .0278 .0354 .0051 .0058 |
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Na1 2/3 1/3 .1272 .0253 .0253 .0566 .0127 0 0 |
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Na2 .1319 .2611 .2885 .75 .0472 .1326 .0305 .0678 -.0070 -.0133 |
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K2 .1319 .2611 .2885 .17 .0472 .1326 .0305 .0678 -.0070 -.0133 |
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Ca2 .1319 .2611 .2885 .02 .0472 .1326 .0305 .0678 -.0070 -.0133 |
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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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