Fogoite-(Y)
Camara F, Sokolova E, Abdu Y A, Hawthorne F C, Charrier T, Dorcet V, Carpentier J F
Mineralogical Magazine 81 (2017) 369-381
Fogoite-(Y), Na3Ca2Y2Ti(Si2O7)2OF3, a group I TS-block mineral from the Lagoa do Fogo,
the Fogo volcano, Sao Miguel Island, the Azores: Description and crystal structure
Locality: Fogo volcano, Sao Miguel Island, the Azores
_database_code_amcsd 0020951
9.575 5.685 7.279 89.985 100.933 101.300 P-1
atom       x      y      z  occ  Uiso
YMH   .63631 .22040 .90986 .605 .0078
LaMH  .63631 .22040 .90986 .005 .0078
CeMH  .63631 .22040 .90986 .015 .0078
NdMH  .63631 .22040 .90986 .015 .0078
SmMH  .63631 .22040 .90986 .010 .0078
GdMH  .63631 .22040 .90986 .040 .0078
DyMH  .63631 .22040 .90986 .040 .0078
ErMH  .63631 .22040 .90986 .025 .0078
YbMH  .63631 .22040 .90986 .020 .0078
LuMH  .63631 .22040 .90986 .005 .0078
MnMH  .63631 .22040 .90986 .080 .0078
ZrMH  .63631 .22040 .90986 .055 .0078
NaMH  .63631 .22040 .90986 .045 .0078
FeMH  .63631 .22040 .90986 .035 .0078
CaMH  .63631 .22040 .90986 .005 .0078
CaAP  .63726 .22484 .41070      .0159
TiMO1  .0117  .0221 -.0037 .380 .0036
NbMO1  .0117  .0221 -.0037 .115 .0036
TaMO1  .0117  .0221 -.0037 .005 .0036
NaMO2      0      0     .5 .960 .0090
NaMO3 .99700 .49783 .24679 .890 .0133
MnMO3 .99700 .49783 .24679 .075 .0133
Si1   .71363 .74517 .65351      .0071
Si2   .72015 .74442 .21150      .0075
O1     .7446  .7708  .4393      .0206
O2     .6138  .9385  .6769      .0141
O3     .6131  .9248  .1324      .0151
O4     .6374  .4697  .6756      .0177
O5     .6552  .4686  .1488      .0183
O6     .8746  .8111  .7826      .0144
O7     .8824  .8285  .1703      .0142
OXOM   .8787  .2498  .9673 .560 .0163
FXOM   .8787  .2498  .9673 .440 .0163
FXOA   .8806  .2988  .4721      .0221