Mapiquiroite
Biagioni C, Orlandi P, Pasero M, Nestola F, Bindi L
European Journal of Mineralogy 26 (2014) 427-437
Mapiquiroite, (Sr,Pb)(U,Y)Fe2(Ti,Fe3+)18O38, a new member
of the crichtonite group from the Apuan Alps, Tuscany, Italy
Locality: Monte Arsiccio mine, Apuan Alps, Tuscany, Italy
_database_code_amcsd 0020187
10.3854 10.3854 20.8942 90 90 120 R-3
atom        x      y      z  occ  Uiso
SrM0        0      0      0 .312 .0252
PbM0        0      0      0 .248 .0252
NaM0        0      0      0 .019 .0252
CaM0        0      0      0 .014 .0252
LaM0        0      0      0 .009 .0252
UM1         0      0     .5 .858 .0060
YM1         0      0     .5 .070 .0060
CeM1        0      0     .5 .021 .0060
MnM1        0      0     .5 .005 .0060
Fe3+M2      0      0 .30916 .848 .0060
ZnM2        0      0 .30916 .152 .0060
TiM3   .18392 .03759 .16506 .671 .0088
Fe3+M3 .18392 .03759 .16506 .277 .0088
V5+M3  .18392 .03759 .16506 .021 .0088
AlM3   .18392 .03759 .16506 .002 .0088
NbM3   .18392 .03759 .16506 .002 .0088
CrM3   .18392 .03759 .16506 .001 .0088
SnM3   .18392 .03759 .16506 .000 .0088
TiM4   .08290 .33044 .60845 .671 .0091
Fe3+M4 .08290 .33044 .60845 .277 .0091
V5+M4  .08290 .33044 .60845 .021 .0091
AlM4   .08290 .33044 .60845 .002 .0091
NbM4   .08290 .33044 .60845 .002 .0091
CrM4   .08290 .33044 .60845 .001 .0091
SnM4   .08290 .33044 .60845 .000 .0091
TiM5   .07605 .32015 .39863 .671 .0081
Fe3+M5 .07605 .32015 .39863 .277 .0081
V5+M5  .07605 .32015 .39863 .021 .0081
AlM5   .07605 .32015 .39863 .002 .0081
NbM5   .07605 .32015 .39863 .002 .0081
CrM5   .07605 .32015 .39863 .001 .0081
SnM5   .07605 .32015 .39863 .000 .0081
O1      .1314  .1878  .5619      .0111
O2      .7111  .2059  .4436      .0106
O3      .3594  .1017  .5594      .0094
O4      .5917  .0318  .5500      .0108
O5      .0511  .8569  .3355      .0078
O6      .3654  .0985  .3397      .0086
O7          0      0  .2163      .0072