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Talc |
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Gruner J W |
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Zeitschrift fur Kristallographie 88 (1934) 412-419 |
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The crystal structures of talc and pyrophyllite |
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Note: talc 2M |
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Locality: Harford County, Maryland, USA |
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_database_code_amcsd 0010541 |
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5.26 9.10 18.81 90 100.00 90 C2/c |
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atom x y z |
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Mg1 0 0 0 |
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Mg2 0 .333 0 |
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Si1 -.239 0 .143 |
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Si2 .261 .167 .143 |
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O1 .203 .5 .058 |
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O2 .203 .167 .058 |
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OH1 .203 -.167 .058 |
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O3 .025 .083 .176 |
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O4 -.475 .083 .176 |
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O5 .275 .333 .176 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Talc |
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Perdikatsis B, Burzlaff H |
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Zeitschrift fur Kristallographie 156 (1981) 177-186 |
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Strukturverfeinerung am talk Mg3[(OH)2Si4O10] |
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Locality: Harford County, Maryland, USA |
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_database_code_amcsd 0010839 |
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5.290 9.173 9.460 90.46 98.68 90.09 C-1 |
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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 .24527 .50259 .29093 .0087 .0074 .0095 .0002 .0014 .0000 |
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Si2 .24590 .83587 .29108 .0086 .0074 .0097 .0003 .0019 -.0003 |
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Mg1 0 0 0 .0076 .0069 .0097 .0001 .0017 -.0001 |
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Mg2 .50012 .83332 .99994 .0078 .0069 .0101 .0000 .0015 -.0004 |
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O1 .1991 .8344 .1176 .0100 .0094 .0106 .0000 .0017 -.0001 |
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O2 .6970 .6674 .1126 .0121 .0102 .0110 .0005 .0017 -.0001 |
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O3 .1980 .5012 .1176 .0103 .0094 .0097 .0000 .0012 .0000 |
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O4 .0199 .9287 .3481 .0104 .0136 .0133 .0044 .0015 -.0010 |
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O5 .5202 .9109 .3494 .0112 .0141 .0124 -.0032 .0022 .0000 |
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O6 .2429 .6699 .3484 .0162 .0085 .0120 .0002 .0024 .0002 |
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H .719 .669 .203 .0076 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Talc |
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Drits V A, Guggenheim S, Zviagina B B, Kogure T |
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Clays and Clay Minerals 60 (2012) 574-587 |
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Structures of the 2:1 layers of pyrophyllite and talc |
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Note: structure is averaged to remove stacking disorder effects |
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Locality: Harford County, Maryland, USA |
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_database_code_amcsd 0020723 |
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5.1848 8.9230 9.19 90.69 90.9 90 C-1 |
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atom x y z |
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Mg1 0 0 0 |
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Mg2 .5 .166592 0 |
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Si1 .833666 .166828 .2910 |
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Si2 .333666 .333172 .2910 |
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O1 .33361 .333025 .1176 |
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O2 .83361 .166975 .1176 |
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Oh1 .332973 0 .1126 |
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Ob1 .351598 .5 .3481 |
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Ob2 .574855 .24099 .3489 |
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Ob3 .074855 .25901 .3489 |
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H .333024 .001528 .203 |
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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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