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Epididymite |
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Robinson P D, Fang J H |
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American Mineralogist 55 (1970) 1541-1549 |
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The crystal structure of epididymite |
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Locality: Narsarsuk, Greenland |
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_database_code_amcsd 0000212 |
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12.74 13.63 7.33 90 90 90 Pnma |
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atom x y z Biso |
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Na .1030 .0698 .5014 2.2 |
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Be .4951 .0002 .3433 .5 |
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Si1 .1589 .1380 .0155 .3 |
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Si2 .3429 .1366 .7314 .3 |
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Si3 .3317 .1378 .3054 .4 |
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O1 .1207 .25 .0005 1.1 |
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O2 .2174 .1234 .2098 .9 |
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O3 .0603 .0664 .0067 .7 |
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O4 .2373 .1142 .8498 1.0 |
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O5 .4345 .0645 .7907 .8 |
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O6 .3784 .25 .7656 .8 |
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O7 .3048 .1239 .5204 .7 |
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O8 .3709 .25 .2674 .8 |
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O9 .4151 .0629 .2256 .9 |
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OH10 .0577 .25 .4890 2.3 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Epididymite |
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Gatta G D, Rotiroti N, McIntyre G J, Guastoni A, Nestola F |
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American Mineralogist 93 (2008) 1158-1165 |
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New insights into the crystal chemistry of epididymite and eudidymite |
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from Malosa, Malawi: A single-crystal neutron diffraction study |
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Locality: Malosa, Malawi |
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_database_code_amcsd 0004614 |
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12.7334 13.6298 7.3467 90 90 90 Pnma |
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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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Na .10285 .06934 .50192 .0266 .0377 .0220 .0201 -.0074 .0053 -.0015 |
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Be .49472 -.00042 .34273 .0067 .0068 .0068 .0065 .0005 .0002 .0001 |
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Si1 .15908 .1378 .01543 .0051 .0040 .0049 .0062 -.0008 .0001 -.0002 |
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Si2 .3426 .13635 .73115 .0054 .0051 .0054 .0059 .0006 .0012 -.0007 |
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Si3 .33173 .13741 .30525 .0059 .0065 .0055 .0058 .0010 -.0017 -.0002 |
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O1 .12005 .25 .00001 .0139 .0136 .0039 .0241 0 -.0031 0 |
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O2 .21704 .1224 .21004 .0118 .0084 .0162 .0109 -.0014 -.0049 .0005 |
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O3 .06068 .06612 .00658 .0072 .0068 .0077 .0071 -.0034 -.0002 -.0003 |
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O4 .23777 .11405 .84938 .0148 .0108 .0186 .0151 -.0026 .0078 -.0021 |
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O5 .43489 .06457 .78946 .0090 .0100 .0093 .0076 .0042 .0004 -.0006 |
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O6 .37761 .25 .76529 .0120 .0133 .0054 .0173 0 -.0032 0 |
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O7 .30497 .12340 .52074 .0106 .0120 .0131 .0068 .0019 -.0009 -.0002 |
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O8 .37000 .25 .26883 .0115 .0124 .0056 .0164 0 .0022 0 |
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O9 .41552 .06300 .22624 .0095 .0113 .0094 .0077 .0045 -.0013 -.0006 |
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OW .05713 .25 .48974 .0288 .0215 .0316 .0333 0 .0060 0 |
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H1 .00647 .25 .58561 .0515 .044 .051 .059 0 .024 0 |
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H2 .01340 .25 .38486 .0586 .060 .060 .055 0 -.015 0 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Epididymite |
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Pobedimskaya E A, Belov N V |
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Doklady Akademii Nauk SSSR 129 (1959) 900-903 |
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The crystal structure of epididymite: a new type of infinite |
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silicooxygenous chains |
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_database_code_amcsd 0012437 |
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12.66 7.34 13.48 90 90 90 Pnam |
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atom x y z |
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Na1 .194 .167 .492 |
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Be1 .025 .210 .017 |
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Si1 .167 .500 .150 |
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Si2 .334 .207 .142 |
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Si3 .152 .860 .132 |
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O1 .400 .225 .050 |
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O2 .117 .483 .250 |
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O3 .384 .130 .250 |
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O4 .075 .017 .075 |
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O5 .117 .900 .250 |
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O6 .075 .410 .075 |
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O7 .278 .400 .150 |
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O8 .200 .684 .095 |
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O9 .267 .010 .125 |
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OH10 .060 .234 .580 |
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| Download AMC data (View Text File)
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View JMOL 3-D Structure (permalink) |
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Epididymite-potassian |
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Naumova I S, Pobedimskaya E A, Pushcharovskii D Y, Belov N V |
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Altukhova Yu N |
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Doklady Akademii Nauk SSSR 229 (1976) 856-859 |
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Crystal structure of synthetic K2Be2Si6O15 of the epidimite group |
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Locality: synthetic |
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Note: c-cell edge altered to reproduce bond lengths |
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_database_code_amcsd 0012454 |
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7.485 15.453 11.418 90 90 90 Cmc2_1 |
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atom x y z Biso |
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K1 .5 .2818 .3619 2.48 |
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K2 .5 .3987 .084 .93 |
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Be1 .1489 .3798 .2275 .26 |
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Si1 .2117 .2095 .1336 .61 |
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Si2 .2046 .0556 .3103 .4 |
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Si3 0 .3497 .4659 .32 |
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Si4 0 .4545 .0009 .52 |
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O1 .322 .2 .0109 .67 |
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O2 .2583 .1291 .2164 1.35 |
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O3 .3245 .0764 .4296 .85 |
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O4 .2701 .2958 .1945 .72 |
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O5 .2704 .4623 .2631 1.16 |
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O6 0 .216 .0948 2.36 |
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O7 0 .4063 .1283 .68 |
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O8 0 .0715 .3518 .13 |
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O9 0 .3542 .332 .52 |
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O10 0 .4409 .5256 .95 |
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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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