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Alunite |
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Hendricks S B |
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American Mineralogist 22 (1937) 773-784 |
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The crystal structures of alunite and the jarosites |
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_database_code_amcsd 0000016 |
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6.96 6.96 17.35 90 90 120 R-3m |
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atom x y z |
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K 0 0 0 |
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S 0 0 .305 |
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Al 0 .5 .5 |
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O1 0 0 .393 |
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O2 .215 -.215 -.058 |
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OH3 .150 -.150 .126 |
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Alunite |
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Pabst A |
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American Mineralogist 32 (1947) 16-30 |
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Some computations on svanbergite, woodhouseite and alunite |
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_database_code_amcsd 0000037 |
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7.058 7.058 7.058 59.08 59.08 59.08 R-3m |
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atom x y z |
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K 0 0 0 |
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Al .5 0 0 |
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S .305 .305 .305 |
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O1 .393 .393 .393 |
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O2 .512 .157 .157 |
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OH3 -.174 .276 .276 |
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Alunite |
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Majzlan J, Speziale S, Duffy T S, Burns P C |
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Physics and Chemistry of Minerals 33 (2006) 567-573 |
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Single-crystal elastic properties of alunite, KAl3(SO4)2(OH)6 |
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_database_code_amcsd 0009047 |
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6.9741 6.9741 17.190 90 90 120 R-3m |
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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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S 0 0 .30380 .0066 .0067 .0067 .0065 .0033 0 0 |
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Al 0 1/2 1/2 .989 .0068 .0047 .0059 .0095 .0023 .0001 .0000 |
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O1 0 0 .3882 .0110 .0133 .0133 .0062 .0067 0 0 |
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O2 .2182 -.2182 -.0591 .0099 .0117 .0117 .0099 .0084 -.0004 .0004 |
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O3 .1258 -.1258 .1400 .0086 .0060 .0060 .0135 .0028 .0010 -.0010 |
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K 0 0 0 .805 .0140 .0159 .0159 .0104 .0080 0 0 |
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Na 0 0 0 .132 .0140 .0159 .0159 .0104 .0080 0 0 |
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O4 0 0 0 .063 .0140 .0159 .0159 .0104 .0080 0 0 |
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H .178 -.178 .118 .0332 |
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Alunite |
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Menchetti S, Sabelli C |
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Neues Jahrbuch fur Mineralogie, Monatshefte 1976 (1976) 406-417 |
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Crystal chemistry of the alunite series: crystal structure refinement of alunite |
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and synthetic jarosite |
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Note: none of the reported bond lengths can be reproduced |
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Locality: Montioni, Toscana, Italy |
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_database_code_amcsd 0014755 |
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7.020 7.020 17.223 90 90 120 R-3m |
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atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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K 0 0 0 .97 .00742 .00742 .00061 .00371 0 0 |
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Al 0 .5 .5 .38 .00181 .00228 .00043 .00091 -.00005 -.00002 |
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S 0 0 .30290 .47 .00328 .00328 .00037 .00164 0 0 |
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O1 0 0 .38715 .70 .00599 .00599 .00029 .00299 0 0 |
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O2 .21788 -.21788 -.05998 .60 .00525 .00525 .00045 .00406 -.00011 .00011 |
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Oh .12587 -.12587 .14256 .55 .00273 .00273 .00065 .00106 .00023 -.00023 |
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H .174 -.174 .120 1.34 |
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Alunite |
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Schukow H, Breitinger D K, Zeiske T, Kubanek F, Mohr J, Schwab R G |
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Zeitschrift fur Anorganische und Allgemeine Chemie 625 (1999) 1047-1050 |
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Localization of hydrogen and content of oxonium cations in alunite via neutron |
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diffraction |
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Locality: synthetic |
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Sample: T = 2 K |
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_database_code_amcsd 0015817 |
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6.943 6.943 17.227 90 90 120 R-3m |
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atom x y z occ Biso |
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K 0 0 0 .875 .57 |
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Al .5 0 .5 .69 |
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S 0 0 .30353 .38 |
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Ohyd1 0 0 0 .125 .84 |
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O2 0 0 .38667 .86 |
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O3 .21911 -.21911 -.05952 .60 |
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O4 .12501 -.12501 .14208 .57 |
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D .19506 .19506 .11278 1.53 |
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| Download AMC data (View Text File)
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