Greenwoodite
Bartholomew P R, Mancini F, Harlow G E, Deifel N, Cahill C, Bernhardt H J
The Canadian Mineralogist 50 (2012) 1233-1242
Greenwoodite, a new nesosilicate from British Columbia with a Ba-VOH
coupled substitution and tetrahedral Fe: description and structure
Locality: Wigwam deposit of Southeastern British Columbia, Canada
_database_code_amcsd 0019709
5.750 5.750 14.459 90 90 120 P-3m1
atom        x      y      z  occ  Uiso
Ba        1/3    2/3 .06805 .600 .0148
V         1/3    2/3 .06805 .400 .0148
OH        1/3    2/3 .06805 .400 .0148
V1        2/3    1/3 .17733      .0051
V2     .18382 .36765 .32518      .0055
V3          0      0     .5      .0054
V4         .5      0      0 .270 .0289
Fe3+T     1/3    2/3 .55041  .54 .0065
Fe2+T     1/3    2/3 .55041  .30 .0065
ZnT       1/3    2/3 .55041  .11 .0065
AlT       1/3    2/3 .55041  .03 .0065
MgT       1/3    2/3 .55041  .02 .0065
SiT1        0      0 .13003  .86 .0088
Fe3+T1      0      0 .13003  .14 .0088
O1        1/3    2/3  .4172      .0074
O2          0      0  .2499      .0064
O3      .3031  .1515 .40902      .0073
O4          0     .5 .25157      .0078
O5      .3202  .1601 .09610      .0172