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: LAP2
_database_code_amcsd 0006182
11.934 9.804 4.268 90 90.32 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  .26596 .1955 .8799     .0183  .0150  .0218  .0180 -.0013 -.0010  .0015
As2  .48961 .3243 .3764     .0182  .0146  .0215  .0183 -.0007 -.0002 -.0013
SeX1 .40305 .1185 .5225 .60 .0201  .0159  .0224  .0220  .0011  .0021 -.0002
SX1  .40305 .1185 .5225 .39 .0201  .0159  .0224  .0220  .0011  .0021 -.0002
AsX1 .40305 .1185 .5225 .01 .0201  .0159  .0224  .0220  .0011  .0021 -.0002
SeX2 .34742 .4097 .0227 .78 .0201  .0188  .0189  .0225  .0017 -.0026  .0007
SX2  .34742 .4097 .0227 .21 .0201  .0188  .0189  .0225  .0017 -.0026  .0007
AsX2 .34742 .4097 .0227 .01 .0201  .0188  .0189  .0225  .0017 -.0026  .0007
SeX3 .12264 .2997 .5515 .87 .0192  .0136  .0253  .0187  .0001  .0010  .0011
SX3  .12264 .2997 .5515 .11 .0192  .0136  .0253  .0187  .0001  .0010  .0011
AsX3 .12264 .2997 .5515 .02 .0192  .0136  .0253  .0187  .0001  .0010  .0011