Stanfieldite
	Dickens B, Brown W E
	Tschermaks Mineralogische und Petrographische Mitteilungen 16 (1971) 79-104
	The crystal structure of Ca7Mg9(Ca,Mg)2(PO4)12
	Locality: synthetic
	_database_code_amcsd 0015640
	22.8410 9.994 17.088 90 99.63 90 C2/c
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Ca1 0 .1043 .25 .000345 .002128 .000810 0 .000277 0
	Ca2 .18664 .34813 .43359 .000468 .001076 .000405 .000133 .000145 .000059
	Ca3 .33977 .45242 .06518 .000532 .002578 .000749 .000411 -.000165 -.000594
	Ca4 .41099 .08359 .39193 .000389 .001827 .000335 .000244 .000132 .000282
	Ca .06623 .1043 .08842 .51 .000932 .006358 .001277 .000955 .000382 .000223
	Mg .06623 .1043 .08842 .49 .000932 .006358 .001277 .000955 .000382 .000223
	Mg1 0 .5734 .25 .000296 .002128 .001180 0 .000376 0
	Mg2 .23620 .1334 .13010 .000306 .001277 .000396 .000689 .000119 -.000030
	Mg3 .39329 .3522 .26416 .000409 .002478 .001251 .000411 .000362 .000698
	Mg4 .23448 .3824 .22490 .000355 .001452 .000291 -.000122 .000046 -.000074
	Mg5 .42031 .0906 .05163 .000281 .001627 .000555 -.000089 .000099 .000045
	P1 .31679 .38196 .39954 .000251 .001101 .000273 .000100 .000099 .000045
	P2 .16277 .11525 .27448 .000237 .000826 .000379 -.000078 .000119 -.000045
	P3 .36202 .0802 .21366 .000187 .001277 .000238 -.000044 .000119 .000000
	P4 .19428 .37852 .02436 .000212 .001076 .000229 .000089 .000053 .000030
	P5 -.00032 .3504 .09497 .000365 .001277 .000493 -.000122 .000033 .000178
	P6 .47412 .3632 .11792 .000207 .001327 .001268 -.000089 .000152 -.000223
	O1 .2567 .4158 .3448 .000256 .001977 .000388 .000144 .000040 -.000119
	O2 .3015 .3203 .4749 .000986 .003504 .000617 .000555 .000481 .000876
	O3 .3571 .2922 .3602 .000444 .001877 .000705 .000455 .000231 -.000104
	O4 .3450 .5221 .4192 .000419 .001602 .001057 -.000122 .000079 -.000386
	O5 .1011 .1211 .2228 .000301 .004255 .001145 -.000300 -.000066 .000148
	O6 .1627 .1627 .3593 .000789 .002002 .000440 -.000433 .000270 -.000074
	O7 .2079 .1899 .2341 .000458 .001352 .000705 -.000078 .000329 -.000193
	O8 .1819 -.0354 .2825 .000375 .000901 .000969 .000022 .000297 -.000030
	O9 .3774 .0034 .1425 .000458 .001827 .000528 -.000133 .000244 -.000178
	O10 .4195 .1532 .2574 .000232 .001927 .000458 -.000255 .000007 -.000089
	O11 .3413 -.0093 .2764 .000365 .002253 .000440 -.000300 .000112 .000312
	O12 .3172 .1910 .1860 .000316 .001827 .000617 .000189 .000007 -.000059
	O13 .2442 .4176 -.0216 .000375 .002503 .000546 -.001822 .000297 -.000297
	O14 .2234 .3308 .1074 .000641 .001652 .000238 .000489 .000013 .000015
	O15 .1522 .2734 -.0204 .000286 .001402 .000793 .000011 .000013 -.000252
	O16 .1574 .5058 .0303 .000355 .001126 .000705 .000311 .000112 .000089
	O17 -.0527 .3971 .0316 .000592 .003004 .000705 .000444 -.000099 .000089
	O18 .0568 .3479 .0572 .000592 .004005 .000793 -.000144 .000389 .000297
	O19 -.0094 .2111 .1268 .000690 .002753 .001321 -.000444 -.000198 .001039
	O20 .0105 .4551 .1612 .000690 .003504 .000881 -.000411 .000152 -.000891
	O21 .4288 .4061 .1690 .001134 .003004 .003083 .000778 .001384 .001633
	O22 .4501 .4204 .0359 .002169 .003254 .001850 .000667 .000264 .000445
	O23 .5340 .4263 .1530 .000306 .002503 .003876 .000000 -.000395 -.001336
	O24 .4814 .2095 .1178 .000414 .001502 .001585 -.000144 -.000066 -.000148
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