Laphamite
Bindi L, Bonazzi P, Spry P G
The Canadian Mineralogist 46 (2008) 269-274
Effects of sulfur-for-selenium substitution on the structure of laphamite, As2(Se,S)3
Locality: Western Middle Anthracite field, Northumberland County, Pennsylvania
Sample: LAP1
_database_code_amcsd 0006181
11.891 9.742 4.274 90 90.03 90 P2_1/n
atom      x     y     z occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
As1   .2667 .1951 .8775     .0260  .0181  .0361  .0237 -.0016 -.0025  .0035
As2   .4895 .3239 .3735     .0245  .0169  .0345  .0221 -.0008 -.0001 -.0009
SeX1  .4032 .1192 .5209 .62 .0296  .0208   .038   .030  .0006 -.0003  .0001
SX1   .4032 .1192 .5209 .36 .0296  .0208   .038   .030  .0006 -.0003  .0001
AsX1  .4032 .1192 .5209 .02 .0296  .0208   .038   .030  .0006 -.0003  .0001
SeX2  .3472 .4092 .0210 .78 .0276  .0208   .036  .0261  .0018 -.0033  .0013
SX2   .3472 .4092 .0210 .19 .0276  .0208   .036  .0261  .0018 -.0033  .0013
AsX2  .3472 .4092 .0210 .03 .0276  .0208   .036  .0261  .0018 -.0033  .0013
SeX3  .1232 .3000 .5501 .88 .0256  .0156   .039  .0225  .0010 -.0032  .0007
SX3   .1232 .3000 .5501 .09 .0256  .0156   .039  .0225  .0010 -.0032  .0007
AsX3  .1232 .3000 .5501 .03 .0256  .0156   .039  .0225  .0010 -.0032  .0007