Montgomeryite
	Moore P B, Araki T
	American Mineralogist 59 (1974) 843-850
	Montgomeryite, Ca4Mg(H2O)12[Al4(OH)4(PO4)6]:. Its crystal structure and
	relation to Vauxite, Fe2(H2O)4[Al4(OH)4(H2O)4(PO4)4].4H2O
	10.023 24.121 6.243 90 91.55 90 C2/c
	atom x y z occ Biso
	Ca1 0 .06115 .25 1.35
	Ca2 0 .33098 .25 1.03
	Mg 0 .4708 .25 .5 .75
	Al1 .25 .25 0 .79
	Al2 0 .17151 -.25 .84
	P1 .5 .29944 -.25 .74
	P2 .2582 .11548 -.0405 .87
	O1 .6172 .2604 .7072 1.13
	O2 .4693 .3366 .5548 1.12
	O3 .3096 .1749 .0120 1.06
	O4 .3754 .0872 -.1497 1.24
	O5 .1362 .1178 -.2009 1.24
	O6 .2184 .0856 .1620 1.69
	OH .3712 .2715 .2189 .88
	Wat1 .1614 .3301 .5292 2.11
	Wat2 .1122 .0261 .5826 1.59
	Wat3 .1188 .4731 .5723 3.69
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	Montgomeryite
	Fanfani L, Nunzi A, Zanazzi P F, Zanzari A R
	American Mineralogist 61 (1976) 12-14
	Additional data on the crystal structure of montgomeryite
	10.004 24.083 6.235 90 91.60 90 C2/c
	atom x y z occ Biso
	Ca1 0 .06132 .25 .97
	Ca2 0 .33082 .25 .97
	Al1 .25 .25 0 .48
	Al2 0 .17177 -.25 .46
	P1 .5 .29949 -.25 .46
	P2 .25851 .11538 -.04081 .59
	Mg 0 .52867 -.25 .5 1.16
	O1 .61740 .26034 .70925 .88
	O2 .47001 .33638 .55580 1.26
	O3 .30933 .17528 .01354 .84
	O4 .37484 .08760 -.15171 .98
	O5 .13698 .11774 -.20051 .97
	O6 .21850 .08628 .16276 1.55
	OH .37062 .27169 .21882 .60
	Wat1 .16222 .32941 .53004 1.99
	Wat2 .11263 .02580 .58142 1.26
	Wat3a .11621 .46807 .61315 .5 2.70
	Wat3b .12130 .51881 .02617 .5 2.54
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure

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Total number of retrieved datasets: 2
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