American Mineralogist Crystal Structure Database

2 matching records for this search.

Parakeldyshite
Download hom/parakeldyshite.pdf
Pekov I V, Zubkova N V, Pushcharovsky D Y, Kolitsch U, Tillmanns E
 
Crystallography Reports 52 (2007) 1066-1071
Refined crystal structure of parakeldyshite and genetic crystal
chemistry of zirconium minerals with [Si2O7] diorthogroups
Locality: Alluaiv Mountain (Lovozero), Kola Peninsula, Russia
_database_code_amcsd 0018674
6.617 8.813 5.426 87.26 85.68 71.75 P-1
atom       x       y        z  occ   Uiso
Na1    .8769  .09573  -.25739 .819  .0209
H1     .8769  .09573  -.25739 .066  .0209
Na1'    .827   .0624   -.2682 .085  .0209
Na1"    .759    .004    -.274 .030  .0209
Na2   .34251  .50132   .23243      .01722
Zr   .289623 .270621 -.221466      .00530
Si1   .64397  .14776   .22433      .00560
Si2   .93730  .33444   .31565      .00551
O1    .29140  .03947  -.16584      .01355
O2    .87893  .16677   .27825      .01047
O3    .49007  .20905   .46593      .01444
O4    .56307  .25335  -.02375      .00894
O5    .00766  .31950   .59858      .00951
O6    .12482  .33736   .11279      .01042
O7    .27715  .51311  -.28980      .00902
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View JMOL 3-D Structure (permalink)
 
Parakeldyshite
Download hom/parakeldyshite.pdf
Voronkov A A, Shumyatskaya N G, Pyatenko Y A
 
Journal of Structural Chemistry 11 (1970) 866-867
Crystal structure of a new natural modification of Na2Zr[Si2O7]
Locality: synthetic
_database_code_amcsd 0014056
6.66 8.83 5.42 92.75 94.25 72.33 P-1
atom    x    y    z
Na1  .874 .099 .264
Na2  .299 .492 .738
Zr   .289 .271 .220
Si1  .642 .146 .772
Si2  .935 .336 .689
O1   .296 .037 .176
O2   .884 .169 .745
O3   .497 .206 .524
O4   .557 .252 .023
O5   .002 .316 .395
O6   .123 .340 .886
O7   .300 .520 .230
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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Total number of retrieved datasets: 2
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