Oxycalcioromeite
Biagioni C, Orlandi P, Nestola F, Bianchin S
Mineralogical Magazine 77 (2013) 3027-3037
Oxycalcioromeite, Ca2Sb2O6O, from Buca della Vena mine, Apuan Alps,
Tuscany, Italy: a new member of the pyrochlore supergroup
Locality: Buca della Vena mine, Apuan Alps, Tuscany, Italy
_database_code_amcsd 0019994
10.3042 10.3042 10.3042 90 90 90 *Fd-3m
.125 .125 .125
atom       x    y    z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CaA       .5   .5   .5 .268 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
Fe2+A     .5   .5   .5 .085 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
Sb3+A     .5   .5   .5 .083 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
NaA       .5   .5   .5 .030 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
MnA       .5   .5   .5 .002 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
CaA'    .482 .482 .544 .045 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
Fe2+A'  .482 .482 .544 .014 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
Sb3+A'  .482 .482 .544 .014 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
NaA'    .482 .482 .544 .005 .0214  .0214  .0214  .0214 -.0047 -.0047 -.0047
Sb5+B      0    0    0 .867 .0053  .0053  .0053  .0053 -.0004 -.0004 -.0004
TiB        0    0    0 .097 .0053  .0053  .0053  .0053 -.0004 -.0004 -.0004
VB         0    0    0 .020 .0053  .0053  .0053  .0053 -.0004 -.0004 -.0004
AlB        0    0    0 .012 .0053  .0053  .0053  .0053 -.0004 -.0004 -.0004
SnB        0    0    0 .004 .0053  .0053  .0053  .0053 -.0004 -.0004 -.0004
O1     .3241 .125 .125      .0104  .0104  .0104  .0104      0      0  .0052
O2      .375 .375 .375 .682 .0190  .0190  .0190  .0190      0      0      0
F2      .375 .375 .375 .278 .0190  .0190  .0190  .0190      0      0      0