Ilimaussite-(Ce)
	Ferraris G, Gula A, Zubkova N V, Pushcharovsky D Y,
	Gobetchiya E R, Pekov I V, Eldjarn K
	The Canadian Mineralogist 42 (2004) 787-795
	The crystal structure of ilimaussite-(Ce),
	(Ba,Na)10K3Na4.5Ce5(Nb,Ti)[Si12O36][Si9O18(O,OH)24]O6,
	and the "ilimaussite" problem
	_database_code_amcsd 0005939
	10.770 10.770 61.05 90 90 120 R32
	atom x y z occ Uiso
	Ce1 2/3 1/3 -.00005 .85 .027
	Fe1 2/3 1/3 -.00005 .15 .027
	Ce2 1/3 .0005 1/6 2/3 .048
	Fe2 1/3 .0005 1/6 1/3 .048
	Ba1 .0005 .3263 .1001 2/3 .044
	Na1 .0005 .3263 .1001 .22 .044
	K1 .0005 .3263 .1001 .12 .044
	Ba2 1/3 2/3 .0657 .85 .043
	Th2 1/3 2/3 .0657 .15 .043
	Ba3 2/3 1/3 .06561 .95 .037
	K3 2/3 1/3 .06561 .05 .037
	Nb .3439 .3427 .0844 .62 .038
	Ti .3439 .3427 .0844 .33 .038
	Fe .3439 .3427 .0844 .05 .038
	Na1 .489 .485 .0277 .5 .015
	Na2 .505 .505 0 .5 .05
	K1 0 0 .0728 .9 .029
	Ba1 0 0 .0728 .1 .029
	K2 0 0 0 .8 .042
	Sr2 0 0 0 .1 .042
	Ba2 0 0 0 .1 .042
	Si1 .3254 .168 .0386 .026
	Si2 .1562 .8297 .0387 .021
	Si3 .168 .167 .1302 .5 .016
	Si4 .333 .502 .1292 .5 .017
	Si5 .505 .331 .1292 .5 .018
	O1 .332 .175 .0670 .030
	O2 .486 .489 .0678 .041
	O3 .157 .822 .0673 .033
	O4 .175 .183 .1032 .037
	O5 .328 .473 .1022 .045
	O6 .486 .333 .1023 .040
	O7 .216 -.000 .0300 .039
	O8 .478 .220 .0267 .034
	O9 .264 .783 .0270 .03
	O10 .270 .273 .0281 .029
	OH11 2/3 1/3 .1290 .10
	OH12 .3439 .1962 .1390 .10
	OH13 .4768 .4690 .1360 .10
	OH14 .2077 .3422 .1380 .10
	OH15 0 0 .1290 .15
	OH16 1/6 1/3 .1290 .15
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