American Mineralogist Crystal Structure Database

4 matching records for this search.

Gehlenite
Download hom/gehlenite.pdf
Louisnathan S J
Download cm/vol10/CM10_822.pdf
The Canadian Mineralogist 10 (1971) 822-837
Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7
Locality: Crestmore, California, USA
_database_code_amcsd 0005090
7.716 7.716 5.089 90 90 90 P-42_1m
atom      x     y     z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca    .3375 .1625 .5110      .0057  .0057  .0243  .0015 -.0013  .0013
AlT1      0     0     0 .93  .0028  .0028  .0168      0      0      0
MgT1      0     0     0 .05  .0028  .0028  .0168      0      0      0
FeT1      0     0     0 .02  .0028  .0028  .0168      0      0      0
AlT   .1431 .3569 .9528 .49  .0027  .0027  .0137  .0006 -.0008  .0008
SiT   .1431 .3569 .9528 .51  .0027  .0027  .0137  .0006 -.0008  .0008
O1       .5     0 .1884      .0099  .0099  .0132  .0023      0      0
O2    .1418 .3582 .2832      .0061  .0061  .0211 -.0009 -.0005  .0005
O3    .0872 .1706 .8033      .0075  .0056  .0215  .0021 -.0007 -.0024
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Gehlenite
Download hom/gehlenite.pdf
Swainson I P, Dove M T, Schmahl W W, Putnis A
 
Physics and Chemistry of Minerals 19 (1992) 185-195
Neutron powder diffraction study of the akermanite-gehlenite
solid solution series
Sample: O% Ak
_database_code_amcsd 0007694
7.6850 7.6850 5.0636 90 90 90 P-42_1m
atom     x     y     z   occ B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Ca   .3389 .1611 .5104       .00812 .00812 .00575  .00275 -.00083 -.00083
AlT1     0     0     0       .00287 .00287 .00741       0       0       0
AlT2 .1434 .3556 .9540  .265 .00211 .00211 .00195 -.00033  .00045  .00045
SiT2 .1434 .3556 .9540 .2375 .00211 .00211 .00195 -.00033  .00045  .00045
O1      .5     0 .1765       .00516 .00516 .00409 -.00135       0       0
O2   .1427 .3573 .2835       .00575 .00575 .00653       0  .00167  .00167
O3   .0876 .1678 .8078       .00660 .00368 .00750 -.00114  .00237 -.00012
Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink)
 
Gehlenite
Download hom/gehlenite.pdf
Swainson I P, Dove M T, Schmahl W W, Putnis A
 
Physics and Chemistry of Minerals 19 (1992) 185-195
Neutron powder diffraction study of the akermanite-gehlenite
solid solution series
Sample: 25% Ak
_database_code_amcsd 0007695
7.7115 7.7115 5.0498 90 90 90 P-42_1m
atom     x     y     z   occ B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Ca   .3377 .1623 .5100       .00811 .00081 .00696  .00395 .00000  .00000
MgT1     0     0     0   .21 .00361 .00036 .00627       0      0       0
AlT1     0     0     0   .79 .00361 .00036 .00627       0      0       0
AlT2 .1421 .3579 .9503  .375 .00155 .00015 .00323 -.00029 .00083  .00083
SiT2 .1421 .3579 .9503   .62 .00155 .00015 .00323 -.00029 .00083  .00083
O1      .5     0 .1793       .00580 .00056 .00480 -.00403      0       0
O2   .1430  .357 .2756       .00571 .00057 .00774       0 .00231  .00231
O3   .0861 .1717 .8030       .00714 .00036 .00921 -.00147 .00179 -.00154
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Gehlenite
Download hom/gehlenite.pdf
Raaz F
 
Sitzungsberichte der Akademie der Wissenschaften in Wien 139 (1930) 645-672
Ueber den Feinbau des Gehlenit. Ein Beitrag zur Kenntnis der Melilithe
_cod_database_code 1011002
_database_code_amcsd 0017917
7.69 7.69 5.1 90 90 90 P-42_1m
atom   x   y    z
Ca1  .16 .34  .49
Al1  .35 .15  .05
Si1    0   0    0
O1     0  .5 -.19
O2   .35 .15 -.26
O3   .15 .09  .19
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View JMOL 3-D Structure (permalink)
 
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Total number of retrieved datasets: 4
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