Tsumcorite
Tillmanns E, Gebert W
Acta Crystallographica B29 (1973) 2789-2794
The crystal structure of tsumcorite, a new mineral from the Tsumeb Mine, S.W. Africa
Locality: Tsumeb mine, Namibia, Africa
_database_code_amcsd 0009499
9.124 6.329 7.577 90 115.28 90 C2/m
atom     x     y     z occ  B(1,1)  B(2,2)  B(3,3)  B(1,2)   B(1,3)   B(2,3)
Pb       0     0     0     .006721 .010797 .006604       0  .001504        0
Zn     .25   .25    .5  .5 .002204 .003308 .003302 .000000  .000619  .000000
Fe3+   .25   .25    .5 .38 .002204 .003308 .003302 .000000  .000619  .000000
Fe2+   .25   .25    .5 .12 .002204 .003308 .003302 .000000  .000619  .000000
As   .9179    .5 .2155     .001910 .004993 .003036       0  .001415        0
O2   .3104     0 .3545     .002571 .009362 .005858       0  .002654        0
O3   .0348 .2808 .2650     .002938 .004993 .004793 .000000  .000885 -.001153
O4   .2215    .5 .0147     .003673 .019972 .003728       0 -.000442        0
Wat1 .3405    .5 .4066  .5 .002204 .008114 .005858       0  .002654        0
OH1  .3405    .5 .4066  .5 .002204 .008114 .005858       0  .002654        0