Rontgenite-(Ce)
Donnay G, Donnay J D H
American Mineralogist 38 (1953) 932-963
The crystallography of bastnaesite, parasite, roentgenite, and synchisite
_database_code_amcsd 0000061
7.13 7.13 69.4 90 90 120 R3
atom    x    y    z
Ce1   1/3    0    0
Ce2   1/3    0 .131
Ce3   1/3    0 .263
Ca1   1/3    0 .066
Ca2   1/3    0 .197
C    .245  1/3 .298
O1   .067  1/3 .298
O2    1/3  1/3 .282
O3    1/3  1/3 .314
F1      0    0    0
F2      0    0  1/3
F3      0    0  2/3
F4      0    0 .131
F5      0    0 .464
F6      0    0 .798
F7      0    0 .263
F8      0    0 .596
F9      0    0 .930