Hydrokenomicrolite
Andrade M B, Atencio D, Chukanov N V, Ellena J
American Mineralogist 98 (2013) 292-296
Hydrokenomicrolite, ([_],H2O)2Ta2(O,OH)6(H2O), a new microlite-group mineral
from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil
Locality: Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil
_database_code_amcsd 0019783
10.454 10.454 10.454 90 90 90 *Fd3m
.125 .125 .125
atom      x    y    z  occ  Uiso
BaA      .5   .5   .5  .33 .0556
SrA      .5   .5   .5  .27 .0556
UA       .5   .5   .5  .10 .0556
CeA      .5   .5   .5  .02 .0556
LaA      .5   .5   .5  .02 .0556
MnA      .5   .5   .5  .02 .0556
NdA      .5   .5   .5  .02 .0556
BiA      .5   .5   .5  .01 .0556
CaA      .5   .5   .5  .01 .0556
PbA      .5   .5   .5  .01 .0556
TaB       0    0    0 .875 .0306
NbB       0    0    0  .05 .0306
SnB       0    0    0  .05 .0306
SiB       0    0    0  .02 .0306
TiB       0    0    0 .005 .0306
OX    .3191 .125 .125 .962  .038
OHX   .3191 .125 .125 .038  .038
WatY   .375 .375 .375  .32  .051
CsY    .375 .375 .375  .03  .051
WatY'  .747 .747 .747  .65  .051