Guanacoite
Kyono A
American Mineralogist 93 (2008) 501-507
Compositional variability and crystal structural features of guanacoite
Locality: El Guanaco mine, Chile
_database_code_amcsd 0004532
5.459 16.808 6.917 90 100.44 90 P2_1/c
atom       x      y      z  occ  Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
CuM1       0      0      0 .168   .62  .0071  .0069  .0096  .0002  .0015  .0014
MgM1       0      0      0 .832   .62  .0071  .0069  .0096  .0002  .0015  .0014
CuM2  .48881 .06213 .81095 .851  .197  .0013  .0009  .0050  .0004 -.0000  .0000
MgM2  .48881 .06213 .81095 .149  .197  .0013  .0009  .0050  .0004 -.0000  .0000
MgM3 -.03802 .12874 .65934        .38  .0040  .0039  .0064  .0000  .0010  .0004
As    .37842 .11681 .33403       .418  .0055  .0042  .0061  .0002  .0009 -.0002
O1     .3393  .0421  .1656        .67   .011   .005   .009   .001  -.000 -.0021
O2     .6132  .0955  .5184        .67   .007   .009   .008   .001   .001   .001
O3     .1097  .1343  .4122        .73   .008   .011   .010  -.000   .004   .002
O4     .4346  .1985  .2044        .67   .009   .007   .010  -.001   .002   .001
O5     .1522  .0220  .7471        .56   .006   .005   .011 -.0017   .002 -.0011
O6     .8201  .1040  .9153        .60   .007   .008   .008  .0003  .0004 -.0008
O7     .3134  .1671  .8332        .60   .008   .005   .009  .0010  -.001  .0022
O8     .1253 -.2494  .3338        .75   .009   .009   .011   .001   .002   .001
H1     -.002   .006   .707      1.500
H2      .884   .146   .003      1.500
H3      .338   .177   .972      1.500
H4      .359   .214   .768      1.500
H5      .993  .2910   .198      1.500
H6      .713  .2702   .170      1.500