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Naujakasite |
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Khalilov A D, Dzhafarov N K, Mamedov K S |
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Doklady Akademii Nauk Azerbaidzhanskoi SSR 33 (1977) 35-40 |
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Crystal structure of naujakasite - Na6{Fe[(Si,Al)8Si4O26]} |
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15.086 7.993 10.515 90 113.44 90 C2/m |
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atom x y z occ Biso |
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Na1 .2299 .5 .4403 1.46 |
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Na2 .3429 .5 .1124 1.65 |
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Na3 .4644 0 .1648 1.71 |
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Fe 0 0 0 .95 |
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Al1 .0584 .1955 .3411 .5 .56 |
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Si1 .0584 .1955 .3411 .5 .56 |
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Al2 .3536 .199 .3495 .5 .85 |
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Si2 .3536 .199 .3495 .5 .85 |
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Si .1506 .3080 .1313 .65 |
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O1 .0362 0 .2762 1.54 |
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O2 .1066 .3116 .2507 1.15 |
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O3 .1389 .1968 .5067 1.55 |
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O4 .1014 .1792 .0105 1.30 |
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O5 .1315 .5 .0648 .71 |
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O6 .2677 .2927 .2115 1.05 |
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O7 .3238 0 .3659 1.67 |
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O8 .4564 .2075 .3226 1.16 |
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Naujakasite |
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Basso R, dal Negro A, Giusta A D, Ungaretti L |
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Gronlands Geologiske Undersogelse: Bulletin 116 (1975) 11-24 |
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The crystal structure of naujakasite, a double sheet silicate |
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Locality: Tuperssuatsiait Bay, Illimaussaq complex, Narsaq, Greenland |
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15.025 7.991 10.468 90 113.67 90 C2/m |
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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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Na1 .2299 .5 .4403 1.60 .0016 .0059 .0050 0 .0008 0 |
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Na2 .3430 .5 .1126 1.85 .0030 .0049 .0075 0 .0034 0 |
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Na3 .4643 0 .1650 1.88 .0020 .0104 .0032 0 .0004 0 |
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Fe 0 0 0 1.01 .0008 .0011 .0059 0 .0012 0 |
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AlT2 .0584 .1953 .3415 .5 .81 .0008 .0028 .0030 -.0001 .0007 -.0008 |
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SiT2 .0584 .1953 .3415 .5 .81 .0008 .0028 .0030 -.0001 .0007 -.0008 |
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AlT3 .1463 .3014 .6507 .5 .73 .0007 .0022 .0028 -.0002 .0005 -.0003 |
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SiT3 .1463 .3014 .6507 .5 .73 .0007 .0022 .0028 -.0002 .0005 -.0003 |
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SiT1 .1505 .3081 .1315 .65 .0007 .0017 .0026 -.0001 .0005 -.0003 |
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O1 .1010 .1789 .0102 1.64 .0018 .0059 .0061 -.0020 .0019 -.0037 |
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O2 .2681 .2937 .2103 1.22 .0011 .0047 .0037 .0002 .0004 .0012 |
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O3 .1070 .3120 .2509 1.22 .0018 .0036 .0046 -.0003 .0018 -.0001 |
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O4 .1318 .5 .0647 1.09 .0015 .0040 .0025 0 .0004 0 |
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O5 .1393 .1973 .5071 1.72 .0014 .0061 .0065 .0002 .0011 -.0033 |
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O6 .0360 0 .2759 1.82 .0019 .0073 .0044 0 .0001 0 |
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O7 .0445 .2932 .6771 1.26 .0015 .0042 .0045 -.0004 .0012 -.0001 |
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O8 .1769 .5 .6338 1.60 .0015 .0070 .0057 0 .0016 0 |
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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
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