Heulandite
	Wust T, Stolz J, Armbruster T
	American Mineralogist 84 (1999) 1126-1134
	Partially dealuminated heulandite produced by acidic REECl3 solution: A chemical
	and single-crystal X-ray study
	Sample: REE100
	Tetrahedral sites were refined as Si
	_database_code_amcsd 0002252
	17.611 17.933 7.398 90 116.29 90 C2/m
	atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	Si1 .17760 .33000 .0926 .0135 .0277 .0160 .0006 .0080 -.0008
	Si2 .28447 .41110 .4904 .0245 .0211 .0244 -.0011 .0134 -.0010
	Si3 .29189 .19069 .2854 .0196 .0229 .0147 -.0011 .0095 .0003
	Si4 .43213 .29855 .5794 .0158 .0294 .0167 .0005 .0075 .0003
	Si5 0 .27754 0 .0144 .0349 .0166 0 .0060 0
	Al1 0 .4225 0 .119 1.6
	Al2 .489 0 .550 .109 2.2
	Al3 .203 .5 .200 .074 2.2
	Nab .466 .5 .767 .38 10.1
	O1 .2988 .5 .5280 .050 .022 .044 0 .022 0
	O2 .2652 .1218 .3846 .057 .039 .048 .001 .040 .010
	O3 .1863 .3447 -.1126 .060 .049 .031 .005 .034 .001
	O4 .2267 .3971 .2460 .048 .041 .026 -.012 .010 -.009
	O5 .5 .3227 .5 .053 .064 .063 0 .049 0
	O6 .0789 .3336 .0451 .016 .041 .054 .001 .016 .009
	O7 .3760 .2298 .4535 .046 .053 .043 -.017 .001 -.016
	O8 .4839 .2752 .8118 .049 .058 .025 -.008 .008 .012
	O9 .2153 .2498 .1891 .029 .033 .045 .010 .020 .011
	O10 .3767 .3710 .5630 .031 .040 .069 .010 .021 .002
	WatA1 .373 0 .369 .56 8.1
	WatA2 .444 0 .62 .15 15.79
	WatA3 .400 0 .242 .43 15.79
	WatA4 .395 0 .067 .15 4.4
	WatA5 .440 0 .812 .49 12.7
	WatA6 .563 0 .025 .41 12.5
	WatA8 .496 .091 .591 .35 10.42
	WatA9 .476 .076 .716 .16 4.7
	WatB1 .395 .411 .105 .31 13.0
	WatBb .433 .430 .006 .46 15.79
	WatB2 .511 .5 .561 .55 10.1
	WatB3 .409 .5 .076 .12 2.3
	WatC2 .215 0 -.008 .65 8.0
	WatC3 .258 0 .085 .39 3.0
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