Realgar Kyono A, Kimata M, Hatta T American Mineralogist 90 (2005) 1563-1570 Light-induced degradation dynamics in realgar: in situ structural investigation using single crystal X-ray diffraction and X-ray photoelectron spectroscopy Sample: Getchell mine, Nevada; t = 24 hours Note: space group corrected _database_code_amcsd 0003937 9.385 13.570 6.600 90 105.36 90 P2_1/n atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) As1 .1252 -.0207 .7617 .0760 .0884 .0645 .0732 .0010 .0180 -.0036 As2 .4248 .1390 .8502 .0673 .0785 .0532 .0750 .0050 .0288 .0032 As3 .3211 .1275 .1714 .0608 .0629 .0648 .0544 .0045 .0149 -.0075 As4 .0379 .1594 .7147 .0795 .0749 .0841 .0825 .0075 .0260 .0031 S1 .3465 -.0072 .7044 .0680 .0880 .0408 .0788 -.0368 .0282 .0023 S2 .2131 -.0246 .1126 .0872 .1401 .0550 .0717 .0434 .0371 .0124 S3 .2416 .2263 .6439 .0706 .0865 .0541 .0700 -.0048 .0189 -.0083 S4 .1081 .2121 .0342 .0793 .0942 .0764 .0685 -.0018 .0236 .0027