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Gehlenite |
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Louisnathan S J |
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The Canadian Mineralogist 10 (1971) 822-837 |
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Refinement of the crystal structure of a natural gehlenite, Ca2Al(Al,Si)2O7 |
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Locality: Crestmore, California, USA |
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_database_code_amcsd 0005090 |
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7.716 7.716 5.089 90 90 90 P-42_1m |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Ca .3375 .1625 .5110 .0057 .0057 .0243 .0015 -.0013 .0013 |
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AlT1 0 0 0 .93 .0028 .0028 .0168 0 0 0 |
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MgT1 0 0 0 .05 .0028 .0028 .0168 0 0 0 |
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FeT1 0 0 0 .02 .0028 .0028 .0168 0 0 0 |
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AlT .1431 .3569 .9528 .49 .0027 .0027 .0137 .0006 -.0008 .0008 |
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SiT .1431 .3569 .9528 .51 .0027 .0027 .0137 .0006 -.0008 .0008 |
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O1 .5 0 .1884 .0099 .0099 .0132 .0023 0 0 |
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O2 .1418 .3582 .2832 .0061 .0061 .0211 -.0009 -.0005 .0005 |
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O3 .0872 .1706 .8033 .0075 .0056 .0215 .0021 -.0007 -.0024 |
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| 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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Gehlenite |
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Swainson I P, Dove M T, Schmahl W W, Putnis A |
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Physics and Chemistry of Minerals 19 (1992) 185-195 |
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Neutron powder diffraction study of the akermanite-gehlenite |
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solid solution series |
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Sample: O% Ak |
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_database_code_amcsd 0007694 |
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7.6850 7.6850 5.0636 90 90 90 P-42_1m |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Ca .3389 .1611 .5104 .00812 .00812 .00575 .00275 -.00083 -.00083 |
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AlT1 0 0 0 .00287 .00287 .00741 0 0 0 |
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AlT2 .1434 .3556 .9540 .265 .00211 .00211 .00195 -.00033 .00045 .00045 |
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SiT2 .1434 .3556 .9540 .2375 .00211 .00211 .00195 -.00033 .00045 .00045 |
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O1 .5 0 .1765 .00516 .00516 .00409 -.00135 0 0 |
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O2 .1427 .3573 .2835 .00575 .00575 .00653 0 .00167 .00167 |
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O3 .0876 .1678 .8078 .00660 .00368 .00750 -.00114 .00237 -.00012 |
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| 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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Gehlenite |
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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 |
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solid solution series |
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Sample: 25% Ak |
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_database_code_amcsd 0007695 |
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7.7115 7.7115 5.0498 90 90 90 P-42_1m |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Ca .3377 .1623 .5100 .00811 .00081 .00696 .00395 .00000 .00000 |
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MgT1 0 0 0 .21 .00361 .00036 .00627 0 0 0 |
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AlT1 0 0 0 .79 .00361 .00036 .00627 0 0 0 |
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AlT2 .1421 .3579 .9503 .375 .00155 .00015 .00323 -.00029 .00083 .00083 |
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SiT2 .1421 .3579 .9503 .62 .00155 .00015 .00323 -.00029 .00083 .00083 |
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O1 .5 0 .1793 .00580 .00056 .00480 -.00403 0 0 |
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O2 .1430 .357 .2756 .00571 .00057 .00774 0 .00231 .00231 |
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O3 .0861 .1717 .8030 .00714 .00036 .00921 -.00147 .00179 -.00154 |
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| 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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Gehlenite |
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Raaz F |
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Sitzungsberichte der Akademie der Wissenschaften in Wien 139 (1930) 645-672 |
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Untersuchungen uber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 |
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_database_code_amcsd 0017917 |
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7.69 7.69 5.1 90 90 90 P-42_1m |
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atom x y z |
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Ca1 .16 .34 .49 |
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Al1 .35 .15 .05 |
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Si1 0 0 0 |
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O1 0 .5 -.19 |
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O2 .35 .15 -.26 |
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O3 .15 .09 .19 |
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| 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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