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Antigorite |
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Capitani G C, Mellini M |
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American Mineralogist 91 (2006) 394-399 |
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The crystal structure of a second antigorite polysome (m = 16), |
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by single-crystal synchrotron diffraction |
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_database_code_amcsd 0004123 |
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81.664 9.255 7.261 90 91.409 90 C2/m |
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atom x y z Uiso |
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Mg1A 0 0 .5 .019 |
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Mg1B 0 .6649 .5 .020 |
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Mg2A .9668 .5 .4629 .019 |
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Mg2B .9665 .8337 .4598 .020 |
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Mg3A .9332 0 .4301 .019 |
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Mg3B .9334 .6648 .4308 .020 |
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Mg4A .9003 .5 .4165 .018 |
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Mg4B .9001 .8316 .4160 .018 |
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Mg5A .8669 0 .4116 .020 |
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Mg5B .8671 .6658 .4113 .017 |
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Mg6A .8338 .5 .4126 .023 |
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Mg6B .8337 .8337 .4181 .018 |
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Mg7A .8005 0 .4301 .018 |
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Mg7B .8003 .6662 .4396 .023 |
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Mg8A .7669 .5 .4812 .021 |
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Mg8B .7668 .8346 .4727 .021 |
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Si1 .9849 .8335 .8676 .021 |
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Si2 .9534 .6664 .8275 .021 |
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Si3 .9216 .8336 .8059 .020 |
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Si4 .8895 .6664 .7958 .021 |
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Si5 .8574 .8336 .7942 .021 |
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Si6 .8254 .6664 .8015 .022 |
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Si7 .7938 .8336 .8237 .024 |
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Si8 .7619 .6665 .8626 .025 |
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OA1 .9881 .8303 .6491 .026 |
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OA2 .9550 .6637 .6071 .018 |
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OA3 .9217 .8321 .5841 .021 |
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OA4 .8893 .6686 .5712 .026 |
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OA5 .8569 .8392 .5733 .022 |
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OA6 .8238 .6713 .5799 .022 |
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OA7 .7909 .8345 .6026 .021 |
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OA8 .7575 .6681 .6474 .027 |
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OB1A .9807 0 .9391 .035 |
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OB2A .9511 .5 .9048 .028 |
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OB3A .9207 0 .8852 .032 |
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OB4A .8887 .5 .8720 .030 |
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OB5A .8564 0 .8736 .032 |
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OB6A .8246 .5 .8819 .033 |
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OB7A .7934 0 .9053 .034 |
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OB8A .7631 .5 .9484 .061 |
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OB0B 0 .7778 0 .027 |
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OB1B .9697 .7333 .9266 .025 |
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OB2B .9379 .7590 .8992 .021 |
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OB3B .9060 .7438 .8815 .023 |
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OB4B .8741 .7570 .8730 .024 |
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OB5B .8423 .7412 .8769 .024 |
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OB6B .8107 .7602 .8909 .030 |
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OB7B .7798 .7416 .9235 .043 |
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OB8B .7500 .7500 0 .063 |
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OV1 .9882 .5 .6385 .019 |
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OV2 .9538 0 .6049 .031 |
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OV3 .9228 .5 .5787 .022 |
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OV4 .8894 0 .5689 .018 |
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OV5 .8559 .5 .5611 .020 |
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OV6 .8239 0 .5777 .024 |
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OV7 .7910 .5 .6051 .034 |
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OV8 .7570 0 .6248 .019 |
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OW1A .9785 0 .3453 .033 |
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OW1B .9788 .6700 .3412 .018 |
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OW2A .9461 .5 .3092 .034 |
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OW2B .9447 .8360 .3059 .019 |
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OW3A .9109 0 .2888 .015 |
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OW3B .9118 .6707 .2841 .028 |
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OW4A .8781 .5 .2740 .025 |
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OW4B .8780 .8305 .2807 .023 |
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OW5A .8449 0 .2820 .026 |
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OW5B .8442 .6674 .2794 .023 |
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OW6A .8104 .5 .2952 .022 |
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OW6B .8107 .8318 .2966 .025 |
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OW7A .7765 0 .3198 .028 |
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OW7B .7765 .6697 .3307 .024 |
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HI1 .9882 .5 .7720 .023 |
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HI2 .9538 0 .7370 .023 |
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HI3 .9228 .5 .7040 .023 |
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HI4 .8894 0 .7000 .023 |
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HI5 .8559 .5 .6920 .023 |
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HI6 .8239 0 .7030 .023 |
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HI7 .7910 .5 .7340 .023 |
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HI8 .7570 0 .7560 .023 |
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HH1A .9785 0 .2040 .047 |
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HH1B .9788 .6700 .1910 .047 |
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HH2A .9461 .5 .1810 .047 |
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HH2B .9447 .8360 .1680 .047 |
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HH3A .9109 0 .1490 .047 |
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HH3B .9118 .6707 .1410 .047 |
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HH4A .8781 .5 .1350 .047 |
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HH4B .8780 .8305 .1470 .047 |
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HH5A .8449 0 .1380 .047 |
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HH5B .8442 .6674 .1410 .047 |
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HH6A .8104 .5 .1520 .047 |
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HH6B .8107 .8318 .1640 .047 |
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HH7A .7765 0 .1570 .047 |
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HH7B .7765 .6697 .1920 .047 |
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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
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Pyrochlore |
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Bonazzi P, Bindi L, Zoppi M, Capitani G C, Olmi F |
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American Mineralogist 91 (2006) 794-801 |
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Single-crystal diffraction and transmission electron microscopy studies |
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of "silicified" pyrochlore from Narssarssk, Julianehaab district, Greenland |
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Locality: Narssarssk, Julianehaab district, Greenland |
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Sample: 396a |
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_database_code_amcsd 0004144 |
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10.4200 10.4200 10.4200 90 90 90 *Fd-3m |
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.125 .125 .125 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na .5 .5 .5 .185 .024 .024 .024 .024 .0011 .0011 .0011 |
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K .5 .5 .5 .010 .024 .024 .024 .024 .0011 .0011 .0011 |
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Ca .5 .5 .5 .365 .024 .024 .024 .024 .0011 .0011 .0011 |
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Sr .5 .5 .5 .035 .024 .024 .024 .024 .0011 .0011 .0011 |
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Mn .5 .5 .5 .020 .024 .024 .024 .024 .0011 .0011 .0011 |
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Pb .5 .5 .5 .005 .024 .024 .024 .024 .0011 .0011 .0011 |
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La .5 .5 .5 .005 .024 .024 .024 .024 .0011 .0011 .0011 |
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Ce .5 .5 .5 .015 .024 .024 .024 .024 .0011 .0011 .0011 |
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Nd .5 .5 .5 .005 .024 .024 .024 .024 .0011 .0011 .0011 |
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U .5 .5 .5 .010 .024 .024 .024 .024 .0011 .0011 .0011 |
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Nb 0 0 0 .860 .0198 .0198 .0198 .0198 -.0018 -.0018 -.0018 |
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Ta 0 0 0 .010 .0198 .0198 .0198 .0198 -.0018 -.0018 -.0018 |
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Ti 0 0 0 .080 .0198 .0198 .0198 .0198 -.0018 -.0018 -.0018 |
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Si 0 0 0 .035 .0198 .0198 .0198 .0198 -.0018 -.0018 -.0018 |
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Fe 0 0 0 .015 .0198 .0198 .0198 .0198 -.0018 -.0018 -.0018 |
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O .3175 .125 .125 .838 .0228 .027 .021 .021 0 0 .008 |
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OH .3175 .125 .125 .162 .0228 .027 .021 .021 0 0 .008 |
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F .375 .375 .375 .62 .044 .044 .044 .044 0 0 0 |
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OH .375 .375 .375 .38 .044 .044 .044 .044 0 0 0 |
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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
|
| |
|
Pyrochlore |
|
Bonazzi P, Bindi L, Zoppi M, Capitani G C, Olmi F |
|
American Mineralogist 91 (2006) 794-801 |
|
Single-crystal diffraction and transmission electron microscopy studies |
|
of "silicified" pyrochlore from Narssarssk, Julianehaab district, Greenland |
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Locality: Narssarssk, Julianehaab district, Greenland |
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Sample: 170a |
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_database_code_amcsd 0004145 |
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10.3738 10.3738 10.3738 90 90 90 *Fd-3m |
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.125 .125 .125 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na .5 .5 .5 .090 .026 .026 .026 .026 .0053 .0053 .0053 |
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K .5 .5 .5 .025 .026 .026 .026 .026 .0053 .0053 .0053 |
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Ca .5 .5 .5 .360 .026 .026 .026 .026 .0053 .0053 .0053 |
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Sr .5 .5 .5 .040 .026 .026 .026 .026 .0053 .0053 .0053 |
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Mn .5 .5 .5 .020 .026 .026 .026 .026 .0053 .0053 .0053 |
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Pb .5 .5 .5 .005 .026 .026 .026 .026 .0053 .0053 .0053 |
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La .5 .5 .5 .005 .026 .026 .026 .026 .0053 .0053 .0053 |
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Ce .5 .5 .5 .020 .026 .026 .026 .026 .0053 .0053 .0053 |
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Nd .5 .5 .5 .005 .026 .026 .026 .026 .0053 .0053 .0053 |
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U .5 .5 .5 .010 .026 .026 .026 .026 .0053 .0053 .0053 |
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Nb 0 0 0 .740 .0225 .0225 .0225 .0225 -.0017 -.0017 -.0017 |
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Ta 0 0 0 .020 .0225 .0225 .0225 .0225 -.0017 -.0017 -.0017 |
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Ti 0 0 0 .080 .0225 .0225 .0225 .0225 -.0017 -.0017 -.0017 |
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Si 0 0 0 .120 .0225 .0225 .0225 .0225 -.0017 -.0017 -.0017 |
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Fe 0 0 0 .040 .0225 .0225 .0225 .0225 -.0017 -.0017 -.0017 |
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O .3173 .125 .125 .772 .028 .029 .028 .028 0 0 .011 |
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OH .3173 .125 .125 .228 .028 .029 .028 .028 0 0 .011 |
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F .375 .375 .375 .460 .031 .031 .026 .026 0 0 0 |
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OH .375 .375 .375 .540 .031 .031 .031 .031 0 0 0 |
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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
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Moissanite |
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Capitani G C, Di Pierro S, Tempesta G |
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American Mineralogist 92 (2007) 403-407 |
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The 6H-SiC structure model: Further refinement from SCXRD data from a |
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terrestrial moissanite |
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Locality: 150 km NW from Izmir, Turkey |
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_database_code_amcsd 0004279 |
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3.0810 3.0810 15.1248 90 90 120 P6_3mc |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Si1 0 0 0 .005 .005 .005 .005 .002 0 0 |
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Si2 1/3 2/3 .1664 .005 .005 .005 .005 .002 0 0 |
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Si3 2/3 1/3 .3329 .005 .005 .005 .006 .002 0 0 |
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C1 1/3 2/3 .0412 .005 .006 .006 .004 .003 0 0 |
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C2 2/3 1/3 .2080 .005 .005 .005 .005 .002 0 0 |
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C3 0 0 .3746 .005 .005 .005 .005 .003 0 0 |
|
|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
|
| |
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