American Mineralogist Crystal Structure Database

1 matching records for this search.

Vermiculite
Download hom/vermiculite.pdf
Arguelles A, Leoni M, Blanco J A, Marcos C
 
American Mineralogist 95 (2010) 126-134
Semi-ordered crystalline structure of the Santa Olalla vermiculite
inferred from X-ray powder diffraction
Locality: Santa Olalla, Toledo Province, Spain
_database_code_amcsd 0020497
5.3434 9.254 14.34 90.0002 97.0909 90.0002 P1
atom     x    y     z  occ Biso
Mg1      0  1/3   .23 .820    1
Fe1      0  1/3   .23 .073    1
Al1      0  1/3   .23 .100    1
Ti1      0  1/3   .23 .007    1
Mg2      0  2/3   .23 .820    1
Fe2      0  2/3   .23 .073    1
Al2      0  2/3   .23 .100    1
Ti2      0  2/3   .23 .007    1
Mg3      0    0   .23 .820    1
Fe3      0    0   .23 .073    1
Al3      0    0   .23 .100    1
Ti3      0    0   .23 .007    1
Mg11    .5  5/6   .23 .820    1
Fe11    .5  5/6   .23 .073    1
Al11    .5  5/6   .23 .100    1
Ti11    .5  5/6   .23 .007    1
Mg21    .5  1/6   .23 .820    1
Fe21    .5  1/6   .23 .073    1
Al21    .5  1/6   .23 .100    1
Ti21    .5  1/6   .23 .007    1
Mg31    .5   .5   .23 .820    1
Fe31    .5   .5   .23 .073    1
Al31    .5   .5   .23 .100    1
Ti31    .5   .5   .23 .007    1
Mg4   .336  2/3   .73  .38  2.5
Ca4   .336  2/3   .73  .03  2.5
Na4   .336  2/3   .73  .04  2.5
Mg41  .836  1/6   .73  .38  2.5
Ca41  .836  1/6   .73  .03  2.5
Si1   .331  1/3  .419 .708  1.5
Al1   .331  1/3  .419 .292  1.5
Si2   .331  2/3  .419 .708  1.5
Al2   .331  2/3  .419 .292  1.5
Si3   .669  1/3 .0402 .708  1.5
Al3   .669  1/3 .0402 .292  1.5
Si4   .669  2/3 .0402 .708  1.5
Al4   .669  2/3 .0402 .292  1.5
Si11  .831  5/6  .419 .708  1.5
Al11  .831  5/6  .419 .292  1.5
Si21  .831  1/6  .419 .708  1.5
Al21  .831  1/6  .419 .292  1.5
Si31  .169  5/6 .0402 .708  1.5
Al31  .169  5/6 .0402 .292  1.5
Si41  .169  1/6 .0402 .708  1.5
Al41  .169  1/6 .0402 .292  1.5
O1    .938 .269     0         2
O2    .938 .731     0         2
O3    .674  1/3   .15         1
O4    .674  2/3   .15         1
O5     .63   .5 .0069         2
O6    .326  1/3  .309         1
O7    .326  2/3  .309         1
O8    .062 .269   .46         2
O9    .062 .731   .46         2
O10    .37   .5  .453         2
O11   .438 .769     0         2
O21   .438 .231     0         2
O31   .174  5/6   .15         1
O41   .174  1/6   .15         1
O51    .13    1 .0069         2
O61   .826  5/6  .309         1
O71   .826  1/6  .309         1
O81   .562 .769   .46         2
O91   .562 .231   .46         2
O101   .87    1  .453         2
OH1    1/3    0  .295         1
OH2    2/3    0 .1638         1
OH11   5/6   .5  .295         1
OH21   1/6   .5 .1638         1
Wat1  .004  2/3  .652   .4    3
Wat2  .504   .5  .652   .4    3
Wat3  .504  5/6  .652   .4    3
Wat4  .654  2/3  .801   .4    3
Wat5  .154   .5  .801   .4    3
Wat6  .154  5/6  .801   .4    3
Wat11 .504  1/6  .652   .4    3
Wat21 .104    1  .652   .4    3
Wat41 .154  1/6  .801   .4    3
Wat51 .654    1  .801   .4    3
Wat31 .004  1/3  .652   .4    3
Wat61 .654  1/3  .801   .4    3
WatI1 .062 .269   .59  1/3    4
WatI2 .062 .731   .59  1/3    4
WatI3 .370  1/2   .59  1/3    4
WatI4 .605 .064   .85  1/3    4
WatI5 .605 .602   .85  1/3    4
WatI6 .297  5/6   .85  1/3    4
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