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American Mineralogist Crystal Structure Database

1 matching records for this search.

Ca20Al26Mg3Si3O68
  
Hanic F, Handlovic M, Kapralik I
Acta Crystallographica B36 (1980) 2863-2869
The structure of a quaternary phase Ca20Al32-2vMgvSivO68
Locality: synthetic
_database_code_amcsd 0017814
27.638 10.799 5.123 90 90 90 *Pmmn
.25 .25 0
atom     x     y     z  occ
Ca1  .0686 .9219 .3136
Ca2  .8127   .25 .6802
Ca3    .25 .0884 .2795
Ca4  .1249   .25 .2773
Al1  .8974   .25 .2399
Al2  .8492 .9964 .1975
MgM1 .9543 .8989 .1256  .25
AlM1 .9543 .8989 .1256  .75
MgM2 .0161   .25 .3719  .25
AlM2 .0161   .25 .3719  .75
SiS1   .25 .8929 .8434 .375
SiS2 .1943   .25 .7376 .375
AlS1   .25 .8929 .8434 .625
AlS2 .1943   .25 .7376 .625
O1   .9568 .8800 .4740
O2   .8976 .9463 .9952
O3   .8688 .1205 .3857
O4   .7993 .0383 .0105
O5   .8347 .8741 .4092
O6   .0379   .25 .0365
O7       0     0     0
O8   .8971   .25 .9018
O9   .1952   .25 .0661
O10    .25 .8899 .5158
O11  .9541   .25 .4063
O12    .25   .25 .5994
O13    .25   .75 .9898


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