Tschernichite
	Alberti A, Cruciani G, Galli E, Merlino S, Millini R, Quartieri S, Vezzalini G, Zanardi S
	Journal of Physical Chemistry B106 (2002) 10277-10284
	Crystal structure of tetragonal and monoclinic polytypes of tschernichite,
	the natural counterpart of synthetic zeolite beta
	Locality: Mt. Adamson, Northern Victoria Land, Antarctica
	Sample: small crystal, tetragonal
	Note: Mg position adjusted to match reported bond lengths
	_database_code_amcsd 0013154
	12.634 12.634 26.608 90 90 90 P4_122
	atom x y z occ Uiso
	Na -.291 -.300 .123 .04 .04
	Mg -.291 -.300 .123 .04 .04
	K1 0 -.123 0 .04 .11
	Ca1 0 -.123 0 .32 .11
	K2 0 .449 0 .03 .05
	Ca2 0 .449 0 .25 .05
	K3 -.5 -.318 0 .04 .10
	Ca3 -.5 -.318 0 .32 .10
	Si1 .4579 .2945 .0562 .70 .020
	Al1 .4579 .2945 .0562 .30 .020
	Si2 .4573 .0422 .0541 .90 .018
	Al2 .4573 .0422 .0541 .10 .018
	Si3 .2111 .2935 .0565 .85 .016
	Al3 .2111 .2935 .0565 .15 .016
	Si4 .2113 .0419 .0575 .83 .017
	Al4 .2113 .0419 .0575 .17 .017
	Si5 .8360 .2938 .0566 .99 .019
	Al5 .8360 .2938 .0566 .01 .019
	Si6 .8355 .0411 .0577 .76 .018
	Al6 .8355 .0411 .0577 .24 .018
	Si7 .0271 .3583 .1251 .78 .021
	Al7 .0271 .3583 .1251 .22 .021
	Si8 .0262 -.0262 .125 .71 .016
	Al8 .0262 -.0262 .125 .29 .016
	Si9 .6403 .3597 .125 .93 .019
	Al9 .6403 .3597 .125 .07 .019
	O1 .5 .3395 0 .023
	O2 .4691 .1639 .0608 .035
	O3 .3363 .3310 .0631 .039
	O4 .5267 .3542 .0994 .037
	O5 .5 .080 0 .030
	O6 .3340 .0018 .0626 .037
	O7 .5227 -.0180 .0993 .033
	O8 .2017 .1679 .0661 .047
	O9 .1643 .3224 .0018 .028
	O10 .1468 .3539 .1004 .036
	O11 .1641 .0056 .0024 .039
	O12 .1458 -.0208 .0998 .033
	O13 .8348 .1696 .0639 .050
	O14 .9374 .3480 .0809 .036
	O15 .7298 .3481 .0828 .057
	O16 .7296 -.0163 .0822 .035
	O17 .9412 -.0094 .0789 .050
	Wat1 -.186 -.229 .057 .55 .09
	Wat2 -.167 -.416 .056 .93 .22
	Wat3 0 .546 0 .38 .10
	Wat4 -.359 -.206 .005 .86 .19
	Wat6 -.463 -.323 .090 .67 .18
	Wat7 -.361 -.478 .006 .31 .11
	Wat10 -.155 -.346 -.002 .30 .06
	Wat11 -.334 -.334 -.125 .34 .08
	Wat13 0 -.203 0 .38 .05
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