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Nepheline |
 |
Buerger M J, Klein G E, Hamburger G E |
| |
American Mineralogist 32 (1947) 197-197 |
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The structure of nepheline |
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10.05 10.05 8.38 90 90 120 P6_3 |
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atom x y z |
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K 0 0 0 |
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Na .0100 .4300 0 |
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Si1 1/3 2/3 .82 |
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Al1 1/3 2/3 .18 |
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Si2 .0900 .3300 1/3 |
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Al2 .0900 .3300 2/3 |
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O1 1/3 2/3 0 |
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O2 .0900 .3300 .5 |
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O3 .1700 .5200 .75 |
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O4 .1700 .5200 .25 |
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O5 .25 .2800 .25 |
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O6 .25 .2800 .75 |
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|   |
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Nepheline |
 |
Buerger M J, Klein G E, Donnay G |
 |
American Mineralogist 39 (1954) 805-818 |
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Determination of the crystal structure of nepheline |
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10.01 10.01 8.405 90 90 120 P6_3 |
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atom x y z |
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K 0 0 0 |
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Na .0080 .4320 0 |
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Si1 1/3 2/3 .82 |
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Al1 1/3 2/3 .18 |
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Si2 .0920 .3300 1/3 |
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Al2 .0920 .3300 2/3 |
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O1 1/3 2/3 0 |
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O2 .0200 .3300 .5 |
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O3 .1800 .5 .75 |
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O4 .1700 .5300 .25 |
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O5 .2300 .2800 .25 |
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O6 .2300 .2800 .75 |
|
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|   |
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Nepheline |
 |
Simmons W B, Peacor D R |
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American Mineralogist 57 (1972) 1711-1719 |
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Refinement of the crystal structure of a volcanic nepheline |
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10.003 10.003 8.381 90 90 120 P6_3 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Na .9972 .4432 .9913 .0082 .0050 .0054 .0032 .0004 .0003 |
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K 0 0 .9893 .0102 .0102 .0097 .0051 0 0 |
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Al1 .3333 .6667 .1877 .51 .0036 .0036 .0035 .0018 0 0 |
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Si1 .3333 .6667 .1877 .49 .0036 .0036 .0035 .0018 0 0 |
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Si2 .3333 .6667 .7990 .58 .0060 .0060 .0040 .0030 0 0 |
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Al2 .3333 .6667 .7990 .42 .0060 .0060 .0040 .0030 0 0 |
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Si3 .0933 .3344 .3090 .84 .0021 .0023 .0044 .0009 -.0009 -.0003 |
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Al3 .0933 .3344 .3090 .16 .0021 .0023 .0044 .0009 -.0009 -.0003 |
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Al4 .0934 .3318 .6824 .73 .0027 .0033 .0027 .0016 -.0012 -.0005 |
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Si4 .0934 .3318 .6824 .27 .0027 .0033 .0027 .0016 -.0012 -.0005 |
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O1 .3327 .7024 .9846 .333 .0113 .0079 .0105 .0081 -.0083 -.0068 |
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O2 .0269 .3168 .4921 .0062 .0120 .0044 .0061 -.0021 -.0018 |
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O3 .1713 .5235 .7210 .0066 .0057 .0183 .0035 .0001 .0022 |
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O4 .1647 .5108 .2393 .0022 .0022 .0103 .0005 -.0004 .0016 |
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O5 .2258 .2873 .3099 .0037 .0069 .0029 .0038 -.0005 .0000 |
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O6 .2229 .2657 .6892 .0063 .0044 .0082 .0038 -.0011 .0003 |
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|   |
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Nepheline |
 |
Kahlenberg V, Bohm H |
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American Mineralogist 83 (1998) 631-637 |
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Crystal structure of hexagonal trinepheline - A new synthetic NaAlSiO4 |
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modification |
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9.995 9.995 24.797 90 90 120 P6_1 |
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atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
Si1 .2024 -.6964 .1279 .006 .006 .007 .003 .001 .000 |
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Si2 .3637 -.2977 -.0374 .005 .007 .012 .003 .001 .002 |
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Si3 .9122 -.7636 -.0350 .004 .006 .008 .002 -.001 .000 |
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Si4 .1334 -.2218 .1358 .007 .006 .007 .003 .000 -.001 |
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All .3266 -.9020 .0864 .007 .006 .008 .003 -.001 .000 |
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Al2 .8807 -.7544 .0917 .006 .007 .008 .003 .000 -.001 |
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Al3 .8111 -.2920 .0954 .006 .005 .009 .003 -.001 -.001 |
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Al4 .3308 -.3548 .0906 .005 .005 .009 .002 .001 .002 |
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Na1 .0205 -.4352 .0356 .018 .016 .018 .011 -.004 .000 |
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Na2 .4735 -.5579 .0303 .016 .020 .022 .007 .007 -.002 |
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Na3 .5183 -.4426 .1864 .019 .022 .028 .001 .006 -.008 |
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Na4 .0043 -.9851 .0280 .036 .045 .037 .017 -.019 .000 |
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O1 .3137 -.5371 .0967 .011 .006 .020 .003 .005 .004 |
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O2 .0584 -.6637 -.0741 .007 .016 .013 .006 .002 .004 |
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O3 .0281 -.7271 .1362 .007 .014 .012 .006 -.001 -.001 |
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O4 .2765 -.6869 .1869 .010 .022 .008 .010 -.001 -.002 |
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O5 .0581 -.2459 .1950 .012 .016 .011 .000 .002 -.003 |
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O6 .1918 -.8413 .0955 .010 .009 .016 .006 -.002 -.005 |
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O7 .6810 -.4652 .1264 .011 .007 .029 .004 .007 .006 |
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O8 .8617 -.9457 -.0394 .011 .006 .020 .003 -.007 -.002 |
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O9 .9600 -.7096 .0271 .015 .014 .008 .001 .001 .000 |
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O10 .7696 -.7413 -.0507 .016 .022 .036 .015 -.005 -.001 |
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O11 .1799 -.3546 .1262 .009 .009 .017 .005 .003 .002 |
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O12 .5167 -.7515 .0918 .007 .014 .015 .000 -.002 .002 |
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O13 .2881 -.0533 .1303 .009 .006 .011 .001 -.003 .002 |
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O14 .3024 -.3226 .0239 .019 .026 .010 .013 .003 .006 |
|
O15 .0045 -.2438 .0920 .006 .012 .011 .005 -.001 -.001 |
|
O16 .8212 -.6234 .1086 .007 .007 .030 .004 .004 .000 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
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Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
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Sample: P = .0001 GPa, in air |
|
9.9995 9.9995 8.3766 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .00410 .54 .03296 |
|
NaK 0 0 .00410 .24 .03296 |
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CaK 0 0 .00410 .03 .03296 |
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Na .55412 .99724 .50845 .02537 |
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AlT1 2/3 1/3 .70194 .01271 |
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SiT2 2/3 1/3 .31362 .01423 |
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SiT3 .90568 .66614 .82276 .01378 |
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AlT4 .90645 .66759 .19630 .01235 |
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O1 .6619 .2891 .50178 1/3 .0335 |
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O2 .97288 .68347 .00309 .03350 |
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O3 .82649 .47750 .25170 .03807 |
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O4 .83665 .48973 .76444 .03390 |
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O5 .77365 .71475 .82462 .02064 |
|
O6 .77607 .73287 .20149 .02315 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = .0001 GPa, in DAC |
|
9.9910 9.9910 8.3702 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0051 .54 .032 |
|
NaK 0 0 .0051 .24 .032 |
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CaK 0 0 .0051 .03 .032 |
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Na .55384 .99711 .5071 .0239 |
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AlT1 2/3 1/3 .7028 .0069 |
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SiT2 2/3 1/3 .3144 .0173 |
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SiT3 .90486 .66596 .82172 .0112 |
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AlT4 .90743 .66818 .19535 .0128 |
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O1 .6565 .2857 .5022 1/3 .0234 |
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O2 .9740 .6844 .0021 .0244 |
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O3 .8220 .4743 .2304 .0373 |
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O4 .8393 .4905 .7526 .0198 |
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O5 .7705 .7130 .8226 .0108 |
|
O6 .7787 .7369 .2016 .0274 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = 1.967 GPa |
|
9.8499 9.8499 8.2838 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0029 .54 .0268 |
|
NaK 0 0 .0029 .24 .0268 |
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CaK 0 0 .0029 .03 .0268 |
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Na .55578 .99782 .5066 .0217 |
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AlT1 2/3 1/3 .7049 .0096 |
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SiT2 2/3 1/3 .3107 .0113 |
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SiT3 .91197 .66799 .82507 .0092 |
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AlT4 .91316 .67064 .19626 .0114 |
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O1 .6621 .2962 .5011 1/3 .0238 |
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O2 .98771 .69126 .0055 .0205 |
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O3 .8293 .47474 .2310 .0222 |
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O4 .8432 .48988 .7551 .0244 |
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O5 .77506 .71427 .8302 .0138 |
|
O6 .7815 .7375 .1941 .0212 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = 4.130 GPa |
|
9.7178 9.7178 8.2030 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0041 .54 .0190 |
|
NaK 0 0 .0041 .24 .0190 |
|
CaK 0 0 .0041 .03 .0190 |
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Na .55760 .99930 .5064 .0182 |
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AlT1 2/3 1/3 .71222 .0087 |
|
SiT2 2/3 1/3 .31158 .0075 |
|
SiT3 .91817 .67174 .82475 .0091 |
|
AlT4 .91775 .67115 .19370 .0075 |
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O1 2/3 1/3 .5059 .0406 |
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O2 .00071 .69849 .0042 .0144 |
|
O3 .8336 .47374 .2310 .0207 |
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O4 .8456 .48771 .7642 .0166 |
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O5 .77691 .71442 .8345 .0126 |
|
O6 .7850 .7392 .1875 .0135 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = 6.108 GPa |
|
9.6189 9.6189 8.1423 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 -.0073 .54 .0171 |
|
NaK 0 0 -.0073 .24 .0171 |
|
CaK 0 0 -.0073 .03 .0171 |
|
Na .55850 .00022 .5027 .0169 |
|
AlT1 2/3 1/3 .70282 .0085 |
|
SiT2 2/3 1/3 .29904 .0089 |
|
SiT3 .92093 .67173 .81891 .0081 |
|
AlT4 .92279 .67442 .18671 .0073 |
|
O1 2/3 1/3 .4957 .0355 |
|
O2 .00916 .70138 -.0036 .0138 |
|
O3 .8360 .47420 .2237 .0172 |
|
O4 .8486 .48610 .7632 .0175 |
|
O5 .77757 .71312 .8327 .0107 |
|
O6 .7868 .7399 .1798 .0135 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = 7.462 GPa |
|
9.5587 9.5587 8.1051 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0028 .54 .0220 |
|
NaK 0 0 .0028 .24 .0220 |
|
CaK 0 0 .0028 .03 .0220 |
|
Na .56008 .00140 .5064 .0195 |
|
AlT1 2/3 1/3 .71012 .0108 |
|
SiT2 2/3 1/3 .30483 .0101 |
|
SiT3 .92358 .67276 .82528 .0100 |
|
AlT4 .92423 .67448 .19201 .0114 |
|
O1 2/3 1/3 .5018 .0299 |
|
O2 .01431 .70341 .0017 .0143 |
|
O3 .8408 .4758 .2446 .0202 |
|
O4 .8457 .4826 .7859 .0164 |
|
O5 .7801 .7144 .8417 .0077 |
|
O6 .7866 .7396 .1862 .0197 |
|
|
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|
|   |
|
Nepheline |
 |
Gatta G D, Angel R J |
 |
American Mineralogist 92 (2007) 1446-1455 |
|
Elastic behavior and pressure-induced structural evolution of nepheline: |
|
Implications for the nature of the modulated superstructure |
|
Locality: intrusive aplite of Snipe River, Tambani, Nyasaland, Malawi |
|
Sample: P = .0001 GPa, in air after decompression |
|
9.9907 9.9907 8.3695 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .00350 .54 .03448 |
|
NaK 0 0 .00350 .24 .03448 |
|
CaK 0 0 .00350 .03 .03448 |
|
Na .55414 .99762 .50785 .02594 |
|
AlT1 2/3 1/3 .70209 .01355 |
|
SiT2 2/3 1/3 .31353 .01392 |
|
SiT3 .90606 .66644 .82291 .01334 |
|
AlT4 .90620 .66767 .19635 .01306 |
|
O1 .6708 .2957 .5008 1/3 .0348 |
|
O2 .97316 .68409 .00228 .03106 |
|
O3 .82600 .47725 .25143 .0360 |
|
O4 .83662 .48965 .76565 .0328 |
|
O5 .77305 .71396 .82379 .01929 |
|
O6 .77664 .73391 .20013 .0230 |
|
|
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|
|   |
|
Nepheline |
 |
Vulic P, Kahlenberg V, Konzett J |
| |
American Mineralogist 93 (2008) 1072-1079 |
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On the existence of a Na-deficient monoclinic trinepheline with composition |
|
Na7.85Al7.85Si8.15O32 |
|
Locality: Synthetic |
|
9.9897 9.9622 24.979 90 90 119.788 P2_1 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
Na1a .9921 .4366 .9717 .023 .023 .023 .026 .014 .000 .000 |
|
Na1b .5617 .5500 .6300 .023 .026 .024 .019 .011 -.003 -.007 |
|
Na1c .5459 .9763 .8033 .026 .022 .038 .018 .016 -.004 -.007 |
|
Na2a .5302 .5497 .9730 .024 .024 .028 .019 .012 -.001 -.003 |
|
Na2b .4511 .0147 .6410 .025 .022 .040 .020 .020 -.002 -.002 |
|
Na2c .9594 .5273 .8031 .026 .031 .024 .024 .015 .009 .012 |
|
Na3a .4411 .4527 .8149 .022 .021 .014 .024 .004 .002 -.002 |
|
Na3b .4298 .9931 .9722 .021 .021 .027 .017 .013 -.002 -.001 |
|
Na3c .0353 .4702 .6401 .027 .029 .023 .025 .010 .009 .003 |
|
Na4a .9637 .9596 .9723 .852 .057 .066 .067 .037 .032 .000 -.002 |
|
Na4b .9828 .9842 .6433 .091 .174 .095 .062 .111 -.053 -.051 |
|
Na4c .0431 .0355 .7974 .923 .054 .050 .074 .054 .043 -.030 -.036 |
|
Al1a .6539 .9027 .9106 .010 .012 .009 .010 .006 .000 .000 |
|
Al1b .1137 .7767 .5822 .011 .013 .012 .010 .007 .001 .000 |
|
Al1c .7631 .6809 .7456 .010 .011 .011 .009 .006 .000 .000 |
|
Al2a .0846 .7536 .9080 .010 .010 .009 .010 .004 -.001 .000 |
|
Al2b .2458 .3301 .5749 .011 .010 .011 .010 .005 .000 .000 |
|
Al2c .3704 .1290 .7440 .010 .011 .012 .008 .006 .000 -.001 |
|
Al3a .2082 .3054 .9106 .012 .014 .014 .010 .008 .002 .000 |
|
Al3b .6702 .9054 .5741 .010 .010 .010 .010 .004 .000 .000 |
|
Al3c .9000 .1992 .7366 .010 .009 .009 .011 .004 .002 .001 |
|
Al4a .6708 .3424 .9092 .011 .009 .011 .011 .005 .000 .001 |
|
Al4b .6874 .3575 .5707 .011 .010 .011 .011 .004 -.001 -.001 |
|
Al4c .2970 .6550 .7435 .012 .013 .012 .012 .008 -.003 -.001 |
|
Si1a .7561 .6722 .8687 .010 .014 .012 .009 .009 .001 .000 |
|
Si1b .6497 .8996 .0344 .011 .013 .009 .010 .005 -.001 -.001 |
|
Si1c .0981 .8031 .7077 .010 .009 .009 .010 .004 -.001 .000 |
|
Si2a .6691 .3381 .0377 .011 .010 .009 .013 .004 -.001 -.001 |
|
Si2b .7044 .3494 .7006 .011 .010 .010 .014 .005 .000 -.001 |
|
Si2c .3173 .6453 .8739 .013 .011 .011 .018 .007 -.001 .001 |
|
Si3a .0836 .7548 .0342 .011 .009 .011 .011 .005 -.001 .000 |
|
Si3b .2349 .3209 .6990 .010 .011 .011 .010 .007 .000 .000 |
|
Si3c .3337 .0967 .8691 .010 .013 .009 .009 .006 -.001 .000 |
|
Si4a .8853 .2266 .8617 .010 .008 .009 .009 .002 .000 .000 |
|
Si4b .7915 .6932 .5333 .010 .012 .012 .008 .007 -.001 .000 |
|
Si4c .6318 .8752 .7000 .010 .011 .010 .010 .005 -.001 .000 |
|
O1a .6450 .4956 .8904 .020 .018 .017 .029 .012 .005 .007 |
|
O1b .4706 .8168 .0524 .023 .017 .014 .033 .005 .008 .004 |
|
O1c .1380 .6819 .7367 .018 .008 .015 .032 .005 .001 .003 |
|
O2a .0509 .2701 .5761 .020 .010 .028 .019 .007 .000 .005 |
|
O2b .3264 .2780 .7433 .016 .022 .020 .013 .015 -.003 -.003 |
|
O2c .2198 .9464 .9038 .024 .019 .016 .026 .001 .000 .000 |
|
O3a .9333 .7126 .8648 .017 .017 .023 .013 .012 -.002 -.001 |
|
O3b .7122 .7785 .0315 .020 .032 .023 .013 .021 .002 .004 |
|
O3c .2431 .9746 .7039 .015 .012 .010 .019 .002 -.003 .001 |
|
O4a .6978 .6869 .8096 .016 .017 .025 .010 .014 -.001 -.001 |
|
O4b .6666 .9723 .9750 .019 .034 .020 .012 .019 .000 -.001 |
|
O4c .0408 .7450 .6471 .018 .015 .020 .010 .001 .001 .000 |
|
O5a .9613 .2582 .8025 .018 .015 .019 .012 .001 .000 -.004 |
|
O5b .2391 .2594 .9741 .021 .030 .035 .010 .025 -.004 -.003 |
|
O5c .6541 .9480 .6406 .019 .033 .024 .008 .020 .004 .000 |
|
O6a .7409 .7882 .9107 .022 .040 .033 .012 .032 -.007 -.005 |
|
O6b .2511 .9696 .5780 .019 .022 .014 .013 .002 .000 .001 |
|
O6c .9604 .8118 .7393 .013 .008 .010 .018 .002 .000 -.001 |
|
O7a .3305 .5029 .9002 .019 .008 .014 .033 .004 .002 .007 |
|
O7b .5086 .1771 .0441 .020 .015 .016 .029 .008 .009 -.001 |
|
O7c .8535 .3275 .7062 .020 .016 .017 .030 .009 .006 .011 |
|
O8a .7786 .0673 .5367 .016 .019 .010 .016 .004 .002 .002 |
|
O8b .0515 .1949 .7026 .018 .014 .026 .015 .011 .003 -.005 |
|
O8c .2563 .2063 .8644 .019 .029 .022 .011 .017 .000 -.001 |
|
O9a .0172 .7179 .9739 .023 .017 .024 .012 -.001 .004 .002 |
|
O9b .2993 .3136 .6399 .016 .014 .022 .011 .009 .000 .001 |
|
O9c .3568 .0564 .8086 .023 .047 .028 .011 .032 -.002 .000 |
|
O10a .8565 .3644 .5501 .025 .013 .017 .044 .007 .003 -.001 |
|
O10b .2581 .4912 .7077 .022 .029 .015 .024 .014 .001 -.003 |
|
O10c .4973 .1766 .8995 .019 .013 .014 .022 .001 -.001 .004 |
|
O11a .8204 .3437 .8732 .019 .016 .016 .024 .009 .004 .003 |
|
O11b .6726 .5094 .5425 .018 .023 .014 .019 .011 -.004 -.002 |
|
O11c .4593 .8218 .7204 .020 .010 .012 .034 .003 .001 -.003 |
|
O12a .4626 .8076 .8920 .028 .011 .018 .051 .005 -.001 -.004 |
|
O12b .8060 .3423 .0743 .017 .018 .016 .022 .012 -.006 -.005 |
|
O12c .7285 .4934 .7375 .022 .023 .011 .028 .006 -.002 -.001 |
|
O13a .7442 .0508 .8650 .018 .022 .010 .014 .003 .001 .000 |
|
O13b .9654 .7277 .5363 .019 .017 .026 .016 .011 -.002 -.003 |
|
O13c .6646 .7301 .6990 .013 .016 .016 .009 .009 -.005 -.002 |
|
O14a .7232 .3582 .9759 .022 .021 .023 .013 .005 -.001 .000 |
|
O14b .6861 .3854 .6399 .029 .040 .039 .016 .025 -.005 -.001 |
|
O14c .3231 .6273 .8106 .034 .046 .063 .006 .036 -.006 -.002 |
|
O15a .0144 .2527 .9060 .016 .009 .024 .012 .006 -.002 .001 |
|
O15b .7580 .7915 .5780 .016 .025 .021 .011 .019 -.002 -.001 |
|
O15c .7510 .0075 .7403 .014 .016 .010 .011 .003 .001 .000 |
|
O16a .1571 .6340 .8917 .024 .013 .012 .047 .006 .005 -.002 |
|
O16b .3588 .5200 .5557 .021 .013 .016 .032 .008 .004 .005 |
|
O16c .5536 .1915 .7193 .020 .011 .011 .036 .005 .005 -.003 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Tait K T, Sokolova E V, Hawthorne F C, Khomyakov A P |
 |
The Canadian Mineralogist 41 (2003) 61-70 |
|
The crystal chemistry of nepheline |
|
Note: sample 1 |
|
Locality: Khibina-Lovozero complex, Kola peninsula, Russia |
|
9.9995 9.9995 8.384 90 90 120 P6_3 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
KA 0 0 .01170 .955 .02164 .01898 .01898 .0270 .00949 0 0 |
|
NaB .99905 .55466 .5178 .02311 .0311 .0238 .0193 .0174 -.0013 .0010 |
|
AlT1 2/3 1/3 .2121 .97 .01011 .0096 .0096 .0112 .00478 0 0 |
|
SiT1 2/3 1/3 .2121 .02 .01011 .0096 .0096 .0112 .00478 0 0 |
|
FeT1 2/3 1/3 .2121 .01 .01011 .0096 .0096 .0112 .00478 0 0 |
|
SiT2 1/3 2/3 .3222 .01037 .0101 .0101 .0109 .00506 0 0 |
|
SiT3 .75946 .66605 .33229 .00985 .0091 .0096 .0115 .0051 -.0001 -.0002 |
|
AlT4 .09249 .75965 .20566 .97 .00899 .0077 .0084 .0107 .0038 .0001 -.0001 |
|
SiT4 .09249 .75965 .20566 .02 .00899 .0077 .0084 .0107 .0038 .0001 -.0001 |
|
FeT4 .09249 .75965 .20566 .01 .00899 .0077 .0084 .0107 .0038 .0001 -.0001 |
|
O1 .3697 .696 .5103 1/3 .027 .017 .049 .0091 .013 .002 .005 |
|
O2 .71067 .68560 .5113 .02036 .0170 .0384 .0107 .0176 -.0007 -.0003 |
|
O3 .1728 .6484 .2610 .0274 .0111 .0104 .0618 .0063 -.0042 .0030 |
|
O4 .6516 .48999 .2766 .0240 .0140 .0105 .0484 .0075 -.0061 -.0086 |
|
O5 .94000 .71478 .3346 .0136 .0097 .0174 .0133 .0065 .0001 -.0014 |
|
O6 .73563 .77827 .2110 .0166 .0211 .0163 .0185 .0138 .0026 .0041 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Tait K T, Sokolova E V, Hawthorne F C, Khomyakov A P |
 |
The Canadian Mineralogist 41 (2003) 61-70 |
|
The crystal chemistry of nepheline |
|
Note: sample 2 |
|
Locality: Bancroft, Ontario, Canada |
|
9.985 9.985 8.372 90 90 120 P6_3 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
KA 0 0 .01170 .80 .0241 .0204 .0204 .0316 .01019 0 0 |
|
CaA 0 0 .01170 .04 .0241 .0204 .0204 .0316 .01019 0 0 |
|
NaB .99813 .55455 .5174 .02352 .0312 .0241 .0204 .0176 -.0017 .0002 |
|
AlT1 2/3 1/3 .2114 .97 .0119 .0108 .0108 .0142 .0054 0 0 |
|
SiT1 2/3 1/3 .2114 .03 .0119 .0108 .0108 .0142 .0054 0 0 |
|
SiT2 1/3 2/3 .3225 .0118 .0123 .0123 .0110 .00613 0 0 |
|
SiT3 .75966 .66575 .3322 .01130 .0107 .0109 .0129 .0058 .0004 .0003 |
|
AlT4 .09294 .76047 .2056 .94 .01051 .0082 .0095 .0127 .0036 .0001 -.0001 |
|
SiT4 .09294 .76047 .2056 .06 .01051 .0082 .0095 .0127 .0036 .0001 -.0001 |
|
O1 .3720 .694 .5091 1/3 .035 .017 .072 .012 .020 .0070 .029 |
|
O2 .71056 .68338 .5121 .0243 .0187 .0462 .0140 .0208 -.0012 .0030 |
|
O3 .1731 .6497 .2621 .0314 .0131 .0119 .0692 .0064 -.0058 .0017 |
|
O4 .6516 .4889 .2759 .0263 .0148 .0113 .0541 .0076 -.0083 -.0078 |
|
O5 .9399 .7137 .3328 .0141 .0090 .0178 .0161 .0072 .0004 -.0012 |
|
O6 .7341 .7764 .2111 .0188 .0223 .0208 .0202 .0159 .0035 .0030 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Tait K T, Sokolova E V, Hawthorne F C, Khomyakov A P |
 |
The Canadian Mineralogist 41 (2003) 61-70 |
|
The crystal chemistry of nepheline |
|
Note: sample 3 |
|
Locality: Monte Somma, Italy |
|
9.9979 9.9979 8.3852 90 90 120 P6_3 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
KA 0 0 .01170 .88 .02170 .01841 .01841 .0283 .00920 0 0 |
|
NaB .99817 .55432 .5179 .98 .02255 .0305 .0230 .0190 .01703 -.0011 .0008 |
|
CaB .99817 .55432 .5179 .02 .02255 .0305 .0230 .0190 .01703 -.0011 .0008 |
|
AlT1 2/3 1/3 .2118 .99 .01030 .0098 .0098 .0113 .00491 0 0 |
|
SiT1 2/3 1/3 .2118 .01 .01030 .0098 .0098 .0113 .00491 0 0 |
|
SiT2 1/3 2/3 .32226 .01048 .01035 .01035 .0107 .00517 0 0 |
|
SiT3 .75948 .66603 .33221 .00994 .00933 .00965 .0117 .00538 -.0001 -.00061 |
|
AlT4 .09289 .76022 .20557 .98 .00960 .0081 .0085 .0117 .00376 .0003 -.0002 |
|
SiT4 .09289 .76022 .20557 .01 .00960 .0081 .0085 .0117 .00376 .0003 -.0002 |
|
FeT4 .09289 .76022 .20557 .01 .00960 .0081 .0085 .0117 .00376 .0003 -.0002 |
|
O(1) .3698 .7021 .5099 1/3 .0273 .027 .043 .0088 .0152 -.001 .001 |
|
O(2) .71021 .68420 .5111 .02174 .0178 .0416 .0112 .0189 .0009 .0011 |
|
O(3) .17348 .64926 .2616 .0290 .0096 .0124 .0657 .0060 -.0042 .0032 |
|
O(4) .65115 .48976 .2757 .0251 .0133 .0097 .0531 .0062 -.0061 -.0083 |
|
O(5) .94001 .71420 .3341 .0146 .0098 .0189 .0151 .0073 .0011 -.0008 |
|
O(6) .73421 .77705 .2109 .0167 .0220 .0172 .0175 .0147 .0036 .0040 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Hassan I, Antao S M, Hersi A A M |
 |
The Canadian Mineralogist 41 (2003) 759-783 |
|
Single-crystal XRD, TEM, and thermal studies of the satellite |
|
reflection in nepheline |
|
9.9853 9.9853 8.3689 90 90 120 P6_3 |
|
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
|
K 0 0 .9920 .675 .026 .022 .022 .034 .011 0 0 |
|
Na .4429 .9970 .9952 .023 .020 .029 .018 .012 -.002 .001 |
|
Al1 2/3 1/3 .1907 .011 .012 .012 .010 .006 0 0 |
|
Si2 2/3 1/3 .8024 .013 .013 .013 .012 .007 0 0 |
|
Si3 .3339 .0939 .3103 .012 .013 .010 .014 .005 .000 .000 |
|
Al4 .3321 .0931 .6838 .011 .011 .009 .013 .005 .001 .000 |
|
O1 .7113 .3470 .9850 1/3 .030 .029 .046 .003 .008 .006 -.007 |
|
O2 .3174 .0272 .4911 .029 .056 .028 .014 .029 .001 .001 |
|
O3 .5238 .1731 .7348 .034 .012 .012 .075 .005 -.005 -.001 |
|
O4 .5095 .1621 .2487 .031 .011 .013 .066 .004 .005 .002 |
|
O5 .2857 .2271 .3113 .020 .025 .018 .018 .013 .004 .005 |
|
O6 .2679 .2239 .6881 .022 .029 .018 .023 .016 -.002 -.003 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: natural sample |
|
Note: T = 110 K |
|
9.9820 9.9820 8.3670 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0031 .57 .024 |
|
Na1 0 0 .0031 .24 .024 |
|
Na2 .5547 .9971 .5082 .017 |
|
Al1 2/3 1/3 .7014 .48 .010 |
|
Si1 2/3 1/3 .7014 .52 .010 |
|
Al2 2/3 1/3 .3137 .48 .012 |
|
Si2 2/3 1/3 .3137 .52 .012 |
|
Al3 .9064 .6660 .8222 .48 .012 |
|
Si3 .9064 .6660 .8222 .52 .012 |
|
Al4 .9071 .6672 .1959 .48 .010 |
|
Si4 .9071 .6672 .1959 .52 .010 |
|
O1 .6611 .2825 .5005 1/3 .024 |
|
O2 .9734 .6822 .0022 .034 |
|
O3 .8270 .4774 .2518 .038 |
|
O4 .8374 .4891 .7613 .032 |
|
O5 .7736 .7143 .8253 .016 |
|
O6 .7765 .7329 .2012 .018 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: natural sample |
|
Note: T = 200 K |
|
9.9890 9.9890 8.3687 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0034 .57 .028 |
|
Na1 0 0 .0034 .24 .028 |
|
Na2 .5545 .9972 .5081 .021 |
|
Al1 2/3 1/3 .7014 .48 .012 |
|
Si1 2/3 1/3 .7014 .52 .012 |
|
Al2 2/3 1/3 .3134 .48 .013 |
|
Si2 2/3 1/3 .3134 .52 .013 |
|
Al3 .9061 .6660 .8223 .48 .013 |
|
Si3 .9061 .6660 .8223 .52 .013 |
|
Al4 .9068 .6675 .1959 .48 .011 |
|
Si4 .9068 .6675 .1959 .52 .011 |
|
O1 .6620 .2858 .5015 1/3 .028 |
|
O2 .9734 .6830 .0027 .033 |
|
O3 .8269 .4775 .2516 .037 |
|
O4 .8373 .4896 .7629 .033 |
|
O5 .7736 .7145 .8249 .018 |
|
O6 .7765 .7330 .2011 .021 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: natural sample |
|
Note: T = 290 K |
|
9.9995 9.9995 8.3766 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0037 .57 .033 |
|
Na1 0 0 .0037 .24 .033 |
|
Na2 .5541 .9972 .5080 .025 |
|
Al1 2/3 1/3 .7015 .48 .013 |
|
Si1 2/3 1/3 .7015 .52 .013 |
|
Al2 2/3 1/3 .3132 .48 .014 |
|
Si2 2/3 1/3 .3132 .52 .014 |
|
Al3 .9057 .6661 .8224 .48 .014 |
|
Si3 .9057 .6661 .8224 .52 .014 |
|
Al4 .9064 .6676 .1959 .48 .012 |
|
Si4 .9064 .6676 .1959 .52 .012 |
|
O1 .6620 .2891 .5013 1/3 .033 |
|
O2 .9729 .6835 .0027 .034 |
|
O3 .8265 .4775 .2514 .038 |
|
O4 .8367 .4898 .7642 .034 |
|
O5 .7737 .7147 .8241 .020 |
|
O6 .7760 .7329 .2011 .023 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: annealed |
|
Note: T = 220 K |
|
9.9751 9.9751 8.3658 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0031 .57 .028 |
|
Na1 0 0 .0031 .24 .028 |
|
Na2 .5547 .9979 .5081 .020 |
|
Al1 2/3 1/3 .7017 .48 .011 |
|
Si1 2/3 1/3 .7017 .52 .011 |
|
Al2 2/3 1/3 .3124 .48 .012 |
|
Si2 2/3 1/3 .3124 .52 .012 |
|
Al3 .9066 .6664 .8226 .48 .011 |
|
Si3 .9066 .6664 .8226 .52 .011 |
|
Al4 .9071 .6679 .1958 .48 .010 |
|
Si4 .9071 .6679 .1958 .52 .010 |
|
O1 .6640 .2910 .5023 1/3 .028 |
|
O2 .9743 .6842 .0022 .028 |
|
O3 .8272 .4773 .2512 .033 |
|
O4 .8373 .4896 .7645 .029 |
|
O5 .7739 .7145 .8252 .016 |
|
O6 .7767 .7335 .2007 .018 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: annealed |
|
Note: T = 150 K |
|
9.9698 9.9698 8.3615 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0029 .57 .024 |
|
Na1 0 0 .0029 .24 .024 |
|
Na2 .5550 .9978 .5082 .017 |
|
All 2/3 1/3 .7017 .48 .01 |
|
Sil 2/3 1/3 .7017 .52 .01 |
|
Al2 2/3 1/3 .3124 .48 .011 |
|
Si2 2/3 1/3 .3124 .52 .011 |
|
Al3 .9067 .6662 .8226 .48 .010 |
|
Si3 .9067 .6662 .8226 .52 .010 |
|
Al4 .9073 .6677 .1958 .48 .009 |
|
Si4 .9073 .6677 .1958 .52 .009 |
|
O1 .6623 .2875 .5015 1/3 .024 |
|
O2 .9745 .6837 .0023 .028 |
|
O3 .8273 .4771 .2517 .033 |
|
O4 .8377 .4894 .7635 .029 |
|
O5 .7739 .7143 .8255 .014 |
|
O6 .7767 .7333 .2008 .016 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: annealed |
|
Note: T = 100 K |
|
9.9685 9.9685 8.3608 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0028 .57 .022 |
|
Na1 0 0 .0028 .24 .022 |
|
Na2 .5551 .9976 .5085 .015 |
|
Al1 2/3 1/3 .7017 .48 .009 |
|
Si1 2/3 1/3 .7017 .52 .009 |
|
Al2 2/3 1/3 .3124 .48 .010 |
|
Si2 2/3 1/3 .3124 .52 .010 |
|
Al3 .9067 .6661 .8225 .48 .010 |
|
Si3 .9067 .6661 .8225 .52 .010 |
|
Al4 .9074 .6675 .1958 .48 .008 |
|
Si4 .9074 .6675 .1958 .52 .008 |
|
O1 .6605 .2846 .5008 1/3 .021 |
|
O2 .9743 .6830 .0023 .029 |
|
O3 .8273 .4771 .2518 .033 |
|
O4 .8379 .4894 .7624 .034 |
|
O5 .7736 .7141 .8257 .014 |
|
O6 .7769 .7333 .2011 .015 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: annealed |
|
Note: T = 15 K |
|
9.9801 9.9801 8.3707 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0037 .57 .022 |
|
Na1 0 0 .0037 .24 .022 |
|
Na2 .5554 .9976 .5086 .017 |
|
Al1 2/3 1/3 .7010 .48 .012 |
|
Si1 2/3 1/3 .7010 .52 .012 |
|
Al2 2/3 1/3 .3136 .48 .014 |
|
Si2 2/3 1/3 .3136 .52 .014 |
|
Al3 .9067 .6658 .8222 .48 .014 |
|
Si3 .9067 .6658 .8222 .52 .014 |
|
Al4 .9073 .6671 .1961 .48 .012 |
|
Si4 .9073 .6671 .1961 .52 .012 |
|
O1 .6602 .2797 .5053 1/3 .023 |
|
O2 .9732 .6814 .0034 .035 |
|
O3 .8287 .4781 .2515 .038 |
|
O4 .8365 .4889 .7610 .034 |
|
O5 .7746 .7152 .8251 .019 |
|
O6 .7762 .7315 .2007 .020 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Angel R J, Gatta G C, Boffa Ballaran T, Carpenter M A |
| |
The Canadian Mineralogist 46 (2008) 1465-1476 |
|
The mechanism of coupling in the modulated structure of nepheline |
|
Locality: Snipe River, Tambani, Malawi |
|
Note: annealed |
|
Note: T = 298 K |
|
9.9867 9.9861 8.3697 90 90 120 P6_3 |
|
atom x y z occ Uiso |
|
K 0 0 .0030 .57 .032 |
|
Na1 0 0 .0030 .24 .032 |
|
Na2 .5545 .9980 .5080 .024 |
|
Al1 2/3 1/3 .7018 .48 .012 |
|
Si1 2/3 1/3 .7018 .52 .012 |
|
Al2 2/3 1/3 .3123 .48 .013 |
|
Si2 2/3 1/3 .3123 .52 .013 |
|
Al3 .9063 .6665 .8226 .48 .012 |
|
Si3 .9063 .6665 .8226 .52 .012 |
|
Al4 .9067 .6680 .1959 .48 .010 |
|
Si4 .9067 .6680 .1959 .52 .010 |
|
O1 .6660 .2950 .5021 1/3 .030 |
|
O2 .9739 .6845 .0022 .028 |
|
O3 .8267 .4773 .2508 .033 |
|
O4 .8371 .4898 .7651 .030 |
|
O5 .7739 .7148 .8246 .018 |
|
O6 .7764 .7334 .2008 .021 |
|
|
| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure
|
|   |
|
Nepheline |
 |
Rossi G, Oberti R, Smith D C |
| |
European Journal of Mineralogy 1 (1989) 59-70 |
|
The crystal structure of a K-poor Ca-rich silicate with the nepheline |
|
framework, and crystal-chemical relationships in the compositional |
|
space (K,Na,Ca,_)8(Al,Si)16O32 |
|
9.982 9.982 8.364 90 90 120 P6_3 |
|
atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
|
Na .9945 .4423 .9902 .98 1.7 .0063 .0050 .0049 .0020 .0003 -.0038 |
|
Ca 0 0 .9854 .035 4.7 .0159 .0159 .0162 .0079 0 0 |
|
Na 0 0 .9854 .38 4.7 .0159 .0159 .0162 .0079 0 0 |
|
K 0 0 .9854 .10 4.7 .0159 .0159 .0162 .0079 0 0 |
|
Ca' 0 0 .8358 .25 10.2 .0052 .0052 .0981 .0026 0 0 |
|
Na' 0 0 .8358 .01 10.2 .0052 .0052 .0981 .0026 0 0 |
|
AlT1 1/3 2/3 .1805 2.0 .0076 .0076 .0057 .0038 0 0 |
|
SiT2 1/3 2/3 .7951 0.9 .0028 .0028 .0038 .0015 0 0 |
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SiT3 .0926 .3325 .3028 1.3 .0040 .0004 .0079 .0002 .0022 .0016 |
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AlT4 .0955 .3343 .6768 1.5 .0027 .0107 .0039 .0044 .0015 .0021 |
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O1 .3324 .7128 .9727 1/3 3.9 .0235 .0154 .0038 .0120 -.0003 -.0051 |
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O2 .0298 .3200 .4886 3.8 .0087 .0295 .0057 .0138 -.0006 -.0017 |
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O3 .1755 .5256 .7196 2.9 .0031 .0042 .0233 .0017 -.0007 .0032 |
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O4 .1620 .5067 .2297 3.2 .0069 .0019 .0231 .0011 -.0039 .0002 |
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O5 .2281 .2868 .2990 2.2 .0032 .0069 .0109 .0010 -.0025 -.0030 |
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O6 .2233 .2686 .6825 2.5 .0129 .0151 .0053 .0125 -.0032 -.0042 |
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