Waimirite-(Y)
Atencio D, Bastos Neto A C, Pereira V P, Ferron J T M M, Hoshino M,
Moriyama T, Watanabe Y, Miyawaki R, Coutinho J M V, Andrade M B,
Domanik K, Chukanov N V, Momma K, Hirano H, Tsunematsu M
Mineralogical Magazine 79 (2015) 767-780
Waimirite-(Y), orthorhombic YF3, a new mineral from the Pitinga mine,
Presidente Figueiredo, Amazonas, Brazil and from Jabal Tawlah,
Saudi Arabia: description and crystal structure
Locality: Jabal Tawlah, Saudi Arabia
_database_code_amcsd 0020746
6.38270 6.86727 4.39168 90 90 90 Pnma
atom      x     y      z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3) U(2,3)
Y    .36773   .25 .44001 .79 .0033  .0037  .0011  .0049      0 -.00086      0
Dy   .36773   .25 .44001 .08 .0033  .0037  .0011  .0049      0 -.00086      0
Er   .36773   .25 .44001 .05 .0033  .0037  .0011  .0049      0 -.00086      0
Gd   .36773   .25 .44001 .03 .0033  .0037  .0011  .0049      0 -.00086      0
Ho   .36773   .25 .44001 .02 .0033  .0037  .0011  .0049      0 -.00086      0
Tb   .36773   .25 .44001 .01 .0033  .0037  .0011  .0049      0 -.00086      0
Tm   .36773   .25 .44001 .01 .0033  .0037  .0011  .0049      0 -.00086      0
Yb   .36773   .25 .44001 .01 .0033  .0037  .0011  .0049      0 -.00086      0
F1    .0234   .25  .5896     .0093  .0096  .0088  .0095      0   .0010      0
F2    .1649 .0635  .1220 .96 .0086  .0093  .0061  .0103 -.0001  -.0004 -.0015
O     .1649 .0635  .1220 .04 .0086  .0093  .0061  .0103 -.0001  -.0004 -.0015