Dravite
Camara F, Ottolini L, Hawthorne F C
American Mineralogist 87 (2000) 1437-1442
Crystal chemistry of three tourmalines by SREF, EMPA and SIMS
Sample: Crystal 1
Locality: Madagascar
_database_code_amcsd 0002913
16.017 16.017 7.256 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 .8489 .49        .017   .017   .019   .008      0      0
CaX      0     0 .8489 .48        .017   .017   .019   .008      0      0
KX       0     0 .8489 .01        .017   .017   .019   .008      0      0
MgY  .0616 .9384 .4367 .45        .007   .007   .011   .002   .002  -.002
Fe2Y .0616 .9384 .4367 .31        .007   .007   .011   .002   .002  -.002
Fe3Y .0616 .9384 .4367 .16        .007   .007   .011   .002   .002  -.002
TiY  .0616 .9384 .4367 .07        .007   .007   .011   .002   .002  -.002
AlZ  .2619 .2983 .4611 .76        .006   .006   .006   .003  -.001   .000
FeZ  .2619 .2983 .4611 .10        .006   .006   .006   .003  -.001   .000
MgZ  .2619 .2983 .4611 .14        .006   .006   .006   .003  -.001   .000
SiT  .1898 .1915 .0732            .005   .005   .006   .002   .001   .000
B    .8898 .1102 .6201            .006   .006   .009   .003   .001  -.001
O1       0     0 .2946 .64        .017   .017   .015   .009      0      0
OH1      0     0 .2946 .18        .017   .017   .015   .009      0      0
F1       0     0 .2946 .18        .017   .017   .015   .009      0      0
O2   .9393 .0607 .5955            .011   .011   .013   .008   .001  -.001
OH3  .1331 .8669 .5611            .014   .014   .007   .005  -.001   .001
O4   .9078 .0922 .0019            .008   .008   .011   .000  -.001   .001
O5   .0909 .9091 .9830            .008   .008   .010   .000  -.001   .001
O6   .1866 .1954 .2935            .009   .011   .007   .005   .001   .000
O7   .2837 .2842 .9933            .007   .008   .011   .001   .001   .002
O8   .2698 .2090 .6313            .010   .006   .017   .004  -.003  -.001
H3   .1329 .8671 .6780     .017