Davinciite
	Rastsvetaeva R K, Rozenberg K A, Khomyakov A P
	Doklady Chemistry 424 (2009) 11-14
	Crystal structure of high-silica K,Na-ordered acentric eudialyte analogue
	Locality: Khibiny alkaline massif, Russia
	_database_code_amcsd 0019916
	14.2956 14.2956 30.0228 90 90 120 R3m
	atom x y z occ Uiso
	Zr .3328 .1664 .1668 .93 .015
	Hf .3328 .1664 .1668 .01 .015
	Ti .3328 .1664 .1668 .05 .015
	Nb .3328 .1664 .1668 .01 .015
	Ca1 .9999 .2600 .9998 .006
	Si1 .5273 .2636 .2510 .006
	Si2 .9946 .6028 .0976 .006
	Si3 .2093 .4186 .0751 .011
	Si4 .0856 .5428 .2578 .012
	Si5 .0582 .3290 .2364 .010
	Si6 .1414 .0707 .0832 .011
	O1 .4747 .2373 .2005 .018
	O2 .2625 .0284 .2063 .018
	O3 .4019 .2971 .1243 .018
	O4 .6055 .3945 .2540 .017
	O5 .4428 .2214 .2879 .008
	O6 .4121 .0287 .0445 .009
	O7 .1070 .3913 .1064 .020
	O8 .0109 .5055 .1173 .019
	O9 .2737 .5475 .0621 .044
	O10 .1770 .3540 .0290 .014
	O11 .0298 .5149 .3038 .011
	O12 .1766 .3532 .2179 .012
	O13 .0449 .3005 .2886 .014
	O14 .3873 .4361 .2239 .021
	O15 .3931 .6069 .2545 .036
	O16 .0615 .1231 .0771 .011
	O17 .1821 .0910 .1328 .016
	O18 .2336 .1168 .0439 .015
	FeM2 .4987 .5012 .0003 .75 .011
	MnM2 .4987 .5012 .0003 .05 .011
	NaM2 .4987 .5012 .0003 .19 .011
	Si3a 1/3 2/3 .2473 .012
	Si4a 1/3 2/3 .0485 .026
	NaA1 .1083 .2165 .1542 .036
	NaA2 .5812 .4188 .1650 .033
	KA3a .2404 .4808 -.0464 .53 .013
	NaA3b .2328 .1164 .2769 .235 .024
	KA3b .2328 .1164 .2769 .235 .024
	NaA4a .4614 .2307 .0499 .89 .018
	SrA4a .4614 .2307 .0499 .04 .018
	SrA4b .4932 .2466 .0445 .06 .010
	BaA4b .4932 .2466 .0445 .01 .010
	Na5a .2548 .5096 .1743 .58 .082
	Na5b .4193 .5807 .1638 .42 .056
	Cl1 0 0 .2424 .54 .036
	Cl2 2/3 1/3 .1026 .70 .036
	Wat11 0 0 .2194 .23 .039
	Cl11 0 0 .2194 .23 .039
	Cl21 2/3 1/3 .049 .15 .029
	Wat21 2/3 1/3 .049 .15 .029
	OH1 .410 .590 .004 .002 .045
	O1 .410 .590 .004 .003 .045
	OH2 .582 .418 -.002 .002 .023
	O2 .582 .418 -.002 .003 .023
	OH3 1/3 2/3 .140 .256 .02
	O3 1/3 2/3 .140 .313 .02
	OH4 1/3 2/3 .1967 .225 .013
	O4 1/3 2/3 .1967 .275 .013
	OH5 1/3 2/3 .995 .184 .057
	O5 1/3 2/3 .995 .226 .057
	OH6 1/3 2/3 .330 .225 .076
	O6 1/3 2/3 .330 .275 .076
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