Bernardevansite
	Yang H, Gu X, Jenkins R A, Gibbs R B, Downs R T
	Mineralogical Magazine 87 (2023) 1-8
	Bernardevansite, Al2(Se4+O3)3*6H2O, dimorphous with alfredopetrovite
	and the Al-analogue of mandarinoite, from the El Dragon mine, Potosi, Bolivia
	Locality: El Dragon mine, Potosi, Bolivia
	_database_code_amcsd 0021206
	16.50160 7.77033 9.85241 90 98.258 90 P2_1/c
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	Al1 .39931 .74117 .90754 .692 .01547 .01212 .01898 .01545 .00016 .00249 .00147
	Fe1 .39931 .74117 .90754 .308 .01547 .01212 .01898 .01545 .00016 .00249 .00147
	Al2 .90506 .24015 .04689 .516 .01409 .01032 .01890 .01344 -.00039 .00308 .00080
	Fe2 .90506 .24015 .04689 .484 .01409 .01032 .01890 .01344 -.00039 .00308 .00080
	Se1 .98068 .03893 .31646 .01600 .01325 .01977 .01485 -.00036 .00157 .00133
	Se2 .22324 .72432 .72881 .01626 .01317 .01988 .01579 -.00048 .00226 .00055
	Se3 .52831 .48070 .81382 .01644 .01355 .01976 .01604 .00022 .00222 .00080
	O1 .98100 .21292 .42122 .02050 .01539 .02353 .02355 -.00216 .00605 -.00501
	O2 .07750 -.03456 .36795 .01982 .01336 .02147 .02356 .00073 -.00099 .00495
	O3 .99751 .13689 .16902 .02073 .01531 .03231 .01471 -.00201 .00261 .00358
	O4 .31619 -.17993 .76481 .02003 .01578 .02618 .01755 -.00330 .00038 -.00003
	O5 .19048 -.17035 .57823 .01981 .01478 .03034 .01484 -.00198 .00395 .00073
	O6 .16883 -.16359 .83139 .02188 .01743 .02805 .02108 .00226 .00589 .00144
	O7 .52084 .37909 .66117 .02158 .01838 .02878 .01744 .00261 .00206 -.00153
	O8 .42967 .54938 .79903 .01816 .01558 .02246 .01626 .00524 .00164 .00109
	O9 .47741 .67999 .06857 .01964 .01859 .02250 .01758 .00153 .00167 .00573
	O10 .31907 -.42567 .96410 .02047 .01613 .02218 .02357 .00270 .00445 .00280
	O11 .36093 -.08497 .02605 .02400 .02700 .02095 .02291 -.00178 -.00038 .00274
	O12 .88655 .01172 -.04343 .02209 .01840 .02708 .02173 .00295 .00607 -.00200
	O13 .64044 .76237 .07539 .03109 .02720 .02446 .04309 -.00023 .01008 .00468
	O14 .25271 .31324 .19373 .04680 .06455 .03583 .04126 .00680 .01186 .00251
	O15 .17699 .24489 .42524 .03508 .02312 .03583 .04726 -.00601 .00840 -.01234
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