Realgar Mullen D J E, Nowacki W Zeitschrift fur Kristallographie 136 (1972) 48-65 Refinement of the crystal structures of realgar, AsS and orpiment, As2S3 Locality: Lengenbach quarry, Binnatal, Switzerland _database_code_amcsd 0010732 9.325 13.571 6.587 90 106.38 90 P2_1/n atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) As1 .12199 .02060 .76392 .00903 .00301 .01723 .00127 .00720 .00144 As2 .42373 .86090 .85582 .00767 .00315 .01989 .00036 .01062 -.00069 As3 .32051 .87334 .17716 .00828 .00364 .01522 .00053 .00684 .00149 As4 .04014 .83917 .71491 .00820 .00369 .01828 -.00171 .00634 -.00130 S1 .34521 .00604 .70138 .00881 .00284 .01781 -.00096 .01136 .00163 S2 .21388 .02299 .11566 .00842 .00316 .01570 .00043 .00829 -.00209 S3 .23875 .77413 .63924 .00999 .00299 .01826 -.00138 .01049 -.00382 S4 .10702 .78976 .05105 .00901 .00368 .01856 -.00233 .01176 .00225