Picropharmacolite
	Catti M, Ferraris G, Ivaldi G
	American Mineralogist 66 (1981) 385-391
	The crystal structure of picropharmacolite, Ca4Mg(HAsO4)2(AsO4)2*11H2O
	_database_code_amcsd 0000825
	13.547 13.500 6.710 99.85 96.41 91.60 P-1
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	As1 .4780 .1321 .2007 .002765 .000850 .003481 -.000700 -.000566 -.001147
	As2 .3966 .4164 .0624 .002074 .001133 .005801 .000420 -.000850 -.000573
	As3 .7177 .2856 .5546 .001936 .000991 .004061 -.000280 .000283 -.001433
	As4 .8093 .0155 .7877 .003180 .001416 .005221 -.000140 -.000566 -.001433
	Ca1 .6347 .3305 .0702 .004010 .000425 .005221 -.000420 -.001133 -.001147
	Ca2 .4987 .3725 .5677 .004010 .000567 .004641 -.000560 .000283 -.000573
	Ca3 .5733 .0881 .7256 .002489 .001416 .007541 -.000700 -.000566 -.001433
	Ca4 .6965 .0195 .2559 .003318 .000850 .006381 -.000700 .001699 -.000287
	Mg .8739 .1952 .2149 .002489 .001133 .004061 .000420 -.001416 .000287
	O1 .427 .229 .336 1.3
	O2 .394 .050 .060 1.7
	O3 .559 .171 .065 2.1
	O4 .540 .066 .360 1.8
	OH5 .310 .321 .091 2.3
	O6 .334 .499 -.033 1.8
	O7 .463 .457 .285 1.6
	O8 .472 .358 -.096 1.2
	O9 .637 .253 .713 0.6
	O10 .658 .367 .430 2.1
	O11 .822 .338 .708 1.7
	O12 .752 .192 .381 0.6
	O13 .919 .045 .727 2.3
	O14 .784 .087 .011 1.8
	OH15 .813 -.110 .822 2.4
	O16 .713 .021 .608 1.3
	Wat1 .818 .325 .087 1.4
	Wat2 .319 .412 .573 1.7
	Wat3 .400 .152 .686 1.5
	Wat4 .814 -.115 .239 2.9
	Wat5 .986 .189 .033 3.8
	Wat6 .960 .299 .437 2.4
	Wat7 .932 .082 .348 3.1
	Wat8 .835 .745 .493 2.6
	Wat9 .887 .656 .019 2.9
	Wat10 .888 .517 .678 2.5
	Wat11 .908 .502 .267 2.4
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