Smith D K, Gruner J W, Lipscomb W N
American Mineralogist 42 (1957) 594-618
The crystal structure of uranophane [Ca(H3O)2](UO2)2(SiO4)2.3H2O
Locality: Chinkolobwe deposits, Belgian Congo, Africa
_database_code_amcsd 0000081
15.97 7.07 6.68 90 97.3 90 P2_1
atom x y z Biso
U1 .256 .787 .138 .35
U2 .756 .713 .138 .35
Si1 .282 .287 .335 .35
Si2 .782 .213 .335 .35
Ca .019 .750 .271 .35
O1 .374 .787 .138 .35
O2 .874 .713 .138 .35
O3 .136 .787 .129 .35
O4 .636 .713 .129 .35
O5 .257 .477 .197 .35
O6 .757 .403 .197 .35
O7 .257 .097 .197 .35
O8 .757 .023 .197 .35
O9 .231 .287 .533 .35
O10 .731 .213 .533 .35
O11 .381 .287 .433 .35
O12 .881 .213 .433 .35
Jordan T H, Streib W E, Lipscomb W N
Journal of Chemical Physics 41 (1964) 760-764
Single-crystal X-ray diffraction study of beta-fluorine
Locality: synthetic
Note: beta phase, stable between T = 45.55 K & 53.54 K
_database_code_amcsd 0012972
6.67 6.67 6.67 90 90 90 Pm3n
atom x y z
F1 0 0 0
F2 .25 .5 0
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