American Mineralogist Crystal Structure Database

2 matching records for this search.

Naujakasite
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Khalilov A D, Dzhafarov N K, Mamedov K S
 
Doklady Akademii Nauk Azerbaidzhanskoi SSR 33 (1977) 35-40
Crystal structure of naujakasite - Na6{Fe[(Si,Al)8Si4O26]}
_database_code_amcsd 0012434
15.086 7.993 10.515 90 113.44 90 C2/m
atom     x     y     z occ Biso
Na1  .2299    .5 .4403     1.46
Na2  .3429    .5 .1124     1.65
Na3  .4644     0 .1648     1.71
Fe       0     0     0      .95
Al1  .0584 .1955 .3411  .5  .56
Si1  .0584 .1955 .3411  .5  .56
Al2  .3536  .199 .3495  .5  .85
Si2  .3536  .199 .3495  .5  .85
Si   .1506 .3080 .1313      .65
O1   .0362     0 .2762     1.54
O2   .1066 .3116 .2507     1.15
O3   .1389 .1968 .5067     1.55
O4   .1014 .1792 .0105     1.30
O5   .1315    .5 .0648      .71
O6   .2677 .2927 .2115     1.05
O7   .3238     0 .3659     1.67
O8   .4564 .2075 .3226     1.16
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Naujakasite
Download hom/naujakasite.pdf
Basso R, dal Negro A, Giusta A D, Ungaretti L
 
Gronlands Geologiske Undersogelse: Bulletin 116 (1975) 11-24
The crystal structure of naujakasite, a double sheet silicate
Locality: Tuperssuatsiait Bay, Illimaussaq complex, Narsaq, Greenland
_database_code_amcsd 0012670
15.025 7.991 10.468 90 113.67 90 C2/m
atom     x     y     z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na1  .2299    .5 .4403     1.60  .0016  .0059  .0050      0  .0008      0
Na2  .3430    .5 .1126     1.85  .0030  .0049  .0075      0  .0034      0
Na3  .4643     0 .1650     1.88  .0020  .0104  .0032      0  .0004      0
Fe       0     0     0     1.01  .0008  .0011  .0059      0  .0012      0
AlT2 .0584 .1953 .3415  .5  .81  .0008  .0028  .0030 -.0001  .0007 -.0008
SiT2 .0584 .1953 .3415  .5  .81  .0008  .0028  .0030 -.0001  .0007 -.0008
AlT3 .1463 .3014 .6507  .5  .73  .0007  .0022  .0028 -.0002  .0005 -.0003
SiT3 .1463 .3014 .6507  .5  .73  .0007  .0022  .0028 -.0002  .0005 -.0003
SiT1 .1505 .3081 .1315      .65  .0007  .0017  .0026 -.0001  .0005 -.0003
O1   .1010 .1789 .0102     1.64  .0018  .0059  .0061 -.0020  .0019 -.0037
O2   .2681 .2937 .2103     1.22  .0011  .0047  .0037  .0002  .0004  .0012
O3   .1070 .3120 .2509     1.22  .0018  .0036  .0046 -.0003  .0018 -.0001
O4   .1318    .5 .0647     1.09  .0015  .0040  .0025      0  .0004      0
O5   .1393 .1973 .5071     1.72  .0014  .0061  .0065  .0002  .0011 -.0033
O6   .0360     0 .2759     1.82  .0019  .0073  .0044      0  .0001      0
O7   .0445 .2932 .6771     1.26  .0015  .0042  .0045 -.0004  .0012 -.0001
O8   .1769    .5 .6338     1.60  .0015  .0070  .0057      0  .0016      0
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View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 2
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