Vanadio-oxy-dravite
Bosi F, Skogby H, Reznitskii L, Halenius U
American Mineralogist 99 (2014) 218-224
Vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species
of the tourmaline supergroup
Locality: Sludyanka, Lake Baikal, Russia
_database_code_amcsd 0020018
16.0273 16.0273 7.2833 90 90 120 R3m
atom       x       y      z  occ   Uiso U(1,1) U(2,2) U(3,3) U(1,2)  U(1,3)  U(2,3)
NaX        0       0 .22773 .793  .0190  .0187  .0187  .0196  .0094       0       0
CaX        0       0 .22773 .207  .0190  .0187  .0187  .0196  .0094       0       0
MgY   .12348 .061742 .63626 .380 .00762 .00725 .00625 .00971 .00362 -.00189 -.00095
VY    .12348 .061742 .63626 .505 .00762 .00725 .00625 .00971 .00362 -.00189 -.00095
AlY   .12348 .061742 .63626  .12 .00762 .00725 .00625 .00971 .00362 -.00189 -.00095
AlZ  .298194  .26189 .61147 .630 .00619 .00565 .00608 .00672 .00286 -.00001  .00038
VZ   .298194  .26189 .61147 .123 .00619 .00565 .00608 .00672 .00286 -.00001  .00038
MgZ  .298194  .26189 .61147  .21 .00619 .00565 .00608 .00672 .00286 -.00001  .00038
CrZ  .298194  .26189 .61147  .03 .00619 .00565 .00608 .00672 .00286 -.00001  .00038
B     .11006  .22013  .4540       .0081  .0076  .0083  .0088  .0042   .0004   .0008
Si   .191026 .189347      0      .00578 .00525 .00497 .00711 .00255 -.00047 -.00057
O1         0       0  .7692       .0096  .0104  .0104  .0078  .0052       0       0
O2    .06078  .12155 .48339       .0090  .0088  .0052  .0120  .0026  .00073   .0015
O3    .26119  .13060 .51118       .0123  .0180  .0141  .0060  .0090   .0011  .00055
H3     .2593   .1296   .394        .018
O4    .09256  .18512 .07088      .01047  .0084  .0163  .0094  .0082 -.00045  -.0009
O5    .18237  .09118 .09010      .01021  .0159  .0078  .0096  .0079   .0014  .00071
O6    .19403  .18473 .77970      .00828  .0103  .0086  .0068  .0053  -.0007  -.0013
O7    .28366  .28332 .07787      .00932  .0079  .0069  .0101  .0014  -.0029  -.0008
O8    .20861  .26947 .44064      .01098  .0045  .0098  .0178  .0029   .0009   .0025