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Montgomeryite |
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Moore P B, Araki T |
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American Mineralogist 59 (1974) 843-850 |
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Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]:. Its crystal structure and |
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relation to Vauxite, Fe2(H2O)4[Al4(OH)4(H2O)4(PO4)4].4H2O |
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_database_code_amcsd 0000410 |
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10.023 24.121 6.243 90 91.55 90 C2/c |
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atom x y z occ Biso |
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Ca1 0 .06115 .25 1.35 |
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Ca2 0 .33098 .25 1.03 |
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Mg 0 .4708 .25 .5 .75 |
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Al1 .25 .25 0 .79 |
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Al2 0 .17151 -.25 .84 |
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P1 .5 .29944 -.25 .74 |
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P2 .2582 .11548 -.0405 .87 |
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O1 .6172 .2604 .7072 1.13 |
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O2 .4693 .3366 .5548 1.12 |
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O3 .3096 .1749 .0120 1.06 |
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O4 .3754 .0872 -.1497 1.24 |
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O5 .1362 .1178 -.2009 1.24 |
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O6 .2184 .0856 .1620 1.69 |
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OH .3712 .2715 .2189 .88 |
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Wat1 .1614 .3301 .5292 2.11 |
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Wat2 .1122 .0261 .5826 1.59 |
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Wat3 .1188 .4731 .5723 3.69 |
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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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Montgomeryite |
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Fanfani L, Nunzi A, Zanazzi P F, Zanzari A R |
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American Mineralogist 61 (1976) 12-14 |
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Additional data on the crystal structure of montgomeryite |
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_database_code_amcsd 0000486 |
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10.004 24.083 6.235 90 91.60 90 C2/c |
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atom x y z occ Biso |
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Ca1 0 .06132 .25 .97 |
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Ca2 0 .33082 .25 .97 |
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Al1 .25 .25 0 .48 |
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Al2 0 .17177 -.25 .46 |
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P1 .5 .29949 -.25 .46 |
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P2 .25851 .11538 -.04081 .59 |
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Mg 0 .52867 -.25 .5 1.16 |
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O1 .61740 .26034 .70925 .88 |
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O2 .47001 .33638 .55580 1.26 |
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O3 .30933 .17528 .01354 .84 |
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O4 .37484 .08760 -.15171 .98 |
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O5 .13698 .11774 -.20051 .97 |
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O6 .21850 .08628 .16276 1.55 |
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OH .37062 .27169 .21882 .60 |
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Wat1 .16222 .32941 .53004 1.99 |
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Wat2 .11263 .02580 .58142 1.26 |
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Wat3a .11621 .46807 .61315 .5 2.70 |
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Wat3b .12130 .51881 .02617 .5 2.54 |
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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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