Paraniite-(Y)
Demartin F, Gramaccioli C M, Pilati T
Acta Crystallographica C48 (1992) 1357-1359
Structure of a new natural tungstate arsenate, [Ca2Y(AsO4)(WO4)2], structurally
related to scheelite
Locality: Alpine fissures, Pizzo Cervandone area, Ossola Valley, Italy
Note: anisoU's from ICSD
_database_code_amcsd 0010274
5.135 5.135 33.8820 90 90 90 *I4_1/a
0 .25 .125
atom     x      y      z   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca      .5    .25 .04167  .0125  .0136  .0149  .0091  .0035      0      0
Y        0    .25   .125 .00898  .0108  .0108  .0052      0      0      0
As      .5    .75   .125 .00842  .0103  .0103  .0047      0      0      0
W        0    .75 .04679 .01032 .01106 .00951 .01038  .0015      0      0
O1   .2437  .8853  .0160  .0171   .020   .020   .011   .001   .002  -.001
O2   .1559  .4784  .0705  .0158   .015   .019   .013   .000   .000   .002
O3   .3220 -.0340  .0977  .0205   .025   .023   .014   .007   .000   .002