Klevtsova R F
Journal of Structural Chemistry 5 (1964) 318-320
The crystal structure of strontium-apatite
_database_code_amcsd 0014055
9.63 9.63 7.22 90 90 120 P6_3
atom x y z occ
Sr1 1/3 2/3 .50
Ca1 1/3 2/3 0
SrA2 .289 .255 .25 2/3
CaA2 .289 .255 .25 1/3
P .371 .399 .74
O1 .492 .342 .73
O2 .472 .590 .78
O3 .259 .329 .91
O4 .260 .385 .57
F 0 0 .06
Borisov S V, Klevtsova R F, Bakakin V V, Belov N V
Soviet Physics Crystallography 10 (1966) 684-689
The crystal structure of neptunite
Locality: Lovozero, Russia
_database_code_amcsd 0018809
16.41 12.55 10.03 90 115.5 90 C2/c
atom x y z occ Biso
K 0 .569 .250 .30
Na .241 .22 .805 2.26
Li 0 .074 .250 .25
Mn .160 .185 .398 .73 .52
Fe .160 .185 .398 .27 .52
Ti .090 .939 .116 .38
Si1 .026 .278 .091 .70
Si2 .103 .844 .414 .55
Si3 .232 .524 .399 .47
Si4 .147 .411 .559 1.00
O1 .106 .286 .250 .07
O2 .033 .172 .418 3.00
O3 .210 .307 .587 3.00
O4 .123 .043 .253 1.10
O5 .202 .071 .580 -.55
O6 .049 .948 .431 1.29
O7 .113 .818 .277 1.66
O8 .164 .517 .484 .19
O9 .166 .457 .729 .60
O10 .039 .374 .471 .80
O11 .289 .631 .470 1.16
O12 .431 .758 .524 .68
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