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Cronstedtite |
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Hendricks S B |
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American Mineralogist 24 (1939) 529-539 |
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Random structures of layer minerals as illustrated by cronstedtite |
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(2FeO.Fe2O3.SiO2.2H2O). Possible iron content of kaolin |
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_database_code_amcsd 0000022 |
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3.16 3.16 21.25 90 90 120 R3 |
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atom x y z occ |
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Si 0 0 .03 .5 |
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Fe 0 0 .03 .5 |
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Fe 0 0 .83 .900 |
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O1 0 0 .11 .333 |
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OH1 0 0 .11 .667 |
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OH2 0 0 .54 |
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O2 .5 0 0 .667 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Cronstedtite |
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Hybler J |
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European Journal of Mineralogy 18 (2006) 197-205 |
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Parallel intergrowths in cronstedtite-1T: |
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determination of the degree of disorder |
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Locality: Herja, Romania |
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Sample: HER |
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Note: 1T polytype |
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_database_code_amcsd 0007145 |
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5.494 5.494 7.090 90 90 120 P31m |
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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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FeM1 .6653 0 .5 .0091 .0071 .0072 .0130 .0036 .0001 0 |
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SiT1 1/3 2/3 .1020 .685 .0104 .0107 .0107 .0098 .0053 0 0 |
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FeT1 1/3 2/3 .1020 .315 .0104 .0107 .0107 .0098 .0053 0 0 |
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O1 .4432 0 .0234 .0331 .042 .036 .020 .0182 -.0007 0 |
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Oh1 0 0 .3510 .013 .014 .014 .011 .0071 0 0 |
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Oh2 .3318 0 .6391 .0125 .014 .014 .009 .0071 .0001 0 |
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O4 1/3 2/3 .3458 .0137 .014 .014 .014 .0068 0 0 |
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H1 0 0 .223 .038 |
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H2 .348 0 .745 .038 |
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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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Cronstedtite |
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Hybler J |
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European Journal of Mineralogy 18 (2006) 197-205 |
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Parallel intergrowths in cronstedtite-1T: |
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determination of the degree of disorder |
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Locality: Lostwithiel, England |
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Sample: LOS |
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Note: 1T polytype |
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_database_code_amcsd 0007146 |
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5.495 5.495 7.090 90 90 120 P31m |
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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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FeM1 .6654 0 .5 .0096 .0073 .0074 .0141 .0037 .0000 0 |
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SiT1 1/3 2/3 .1018 .711 .0108 .0106 .0106 .0111 .0053 0 0 |
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FeT1 1/3 2/3 .1018 .289 .0108 .0106 .0106 .0111 .0053 0 0 |
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O1 .4434 0 .0247 .035 .044 .037 .022 .019 -.0007 0 |
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Oh1 0 0 .3514 .014 .016 .016 .011 .0082 0 0 |
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Oh2 .3322 0 .6388 .013 .014 .014 .013 .0070 -.0003 0 |
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O4 1/3 2/3 .3462 .014 .014 .014 .014 .0073 0 0 |
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H1 0 0 .219 .038 |
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H2 .356 0 .750 .038 |
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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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Cronstedtite |
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Hybler J |
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European Journal of Mineralogy 18 (2006) 197-205 |
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Parallel intergrowths in cronstedtite-1T: |
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determination of the degree of disorder |
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Locality: Roznava, Slovakia |
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Sample: ROZ |
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Note: 1T polytype |
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_database_code_amcsd 0007147 |
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5.501 5.501 7.106 90 90 120 P31m |
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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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FeM1 .6654 0 .5 .0111 .0099 .0099 .0136 .0050 .0001 0 |
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SiT1 1/3 2/3 .1029 .78 .0126 .0142 .0142 .0094 .0071 0 0 |
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FeT1 1/3 2/3 .1029 .22 .0126 .0142 .0142 .0094 .0071 0 0 |
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O1 .448 0 .026 .039 .051 .045 .018 .022 .000 0 |
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Oh1 0 0 .353 .017 .022 .022 .008 .011 0 0 |
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Oh2 .333 0 .641 .016 .016 .017 .014 .008 .001 0 |
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O4 1/3 2/3 .349 .018 .020 .020 .014 .010 0 0 |
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H1 0 0 .205 .038 |
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H2 .332 0 .755 .038 |
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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) |
| |
|
Cronstedtite |
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Hybler J |
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European Journal of Mineralogy 18 (2006) 197-205 |
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Parallel intergrowths in cronstedtite-1T: |
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determination of the degree of disorder |
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Locality: Litosice, Czech Republic |
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Sample: LIT |
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Note: 1T polytype |
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_database_code_amcsd 0007148 |
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5.490 5.490 7.086 90 90 120 P31m |
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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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FeM1 .6651 0 .5 .0121 .0051 .0052 .0260 .0026 -.0002 0 |
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SiT1 1/3 2/3 .1021 .74 .0103 .0082 .0082 .014 .0041 0 0 |
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FeT1 1/3 2/3 .1021 .26 .0103 .0082 .0082 .014 .0041 0 0 |
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O1 .444 0 .023 .038 .041 .032 .040 .016 -.003 0 |
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Oh1 0 0 .348 .019 .013 .013 .029 .007 0 0 |
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Oh2 .332 0 .6402 .014 .012 .013 .016 .006 -.001 0 |
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O4 1/3 2/3 .342 .021 .013 .013 .037 .007 0 0 |
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H1 0 0 .234 .038 |
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H2 .400 0 .796 .038 |
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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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