Zirconolite
Mazzi F, Munno R
American Mineralogist 68 (1983) 262-276
Calciobetafite (new mineral of the pyrochlore group) and related minerals from
Campi Flegrei, Italy; crystal structures of polymignyte and zirkelite:
comparison with pyrochlore and zirconolite
Note: polytype zirconolite-3O
Locality: Campi Flegrei, Italy
_database_code_amcsd 0000892
10.148 14.147 7.278 90 90 90 Acam
atom      x      y     z  occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca1     .75 .11594   .25 .529      0.0014 0.0009 0.0029      0 0.0002      0
Na1     .75 .11594   .25 .045      0.0014 0.0009 0.0029      0 0.0002      0
Th1     .75 .11594   .25 .017      0.0014 0.0009 0.0029      0 0.0002      0
Ce1     .75 .11594   .25 .409      0.0014 0.0009 0.0029      0 0.0002      0
Zr1  .01505 .23319    .5           0.0013 0.0005 0.0033 -.0001      0      0
Ti1       0      0     0 .517      0.0015 0.0009 0.0049 -.0001      0      0
Nb1       0      0     0 .469      0.0015 0.0009 0.0049 -.0001      0      0
Ta1       0      0     0 .014      0.0015 0.0009 0.0049 -.0001      0      0
Ti2     .25 .13323   .25 .878      0.0013 0.0008 0.0026      0 0.0002      0
Nb2     .25 .13323   .25 .119      0.0013 0.0008 0.0026      0 0.0002      0
Ta2     .25 .13323   .25 .003      0.0013 0.0008 0.0026      0 0.0002      0
Fe1       0      0 .4306 .462      0.0051 0.0016 0.0120 0.0021      0      0
Fe2    .039   .015    .5 .029  0.3
O1    .1259  .0333 .1903           0.0016 0.0011 0.0063 0.0002 -.0011 -.0001
O2    .1197  .2331 .2104           0.0017 0.0009 0.0064 0.0005 -.0004 0.0003
O3   -.1007  .1089    .5           0.0021 0.0008 0.0066 -.0002      0      0
O4   -.0904  .1295     0           0.0025 0.0009 0.0039 -.0002      0      0
O5    .1799  .1396    .5           0.0024 0.0016 0.0027 0.0006      0      0