Alacranite Zoppi M, Pratesi G American Mineralogist 97 (2012) 890-896 The dual behavior of the beta-As4S4 altered by light Locality: synthetic _database_code_amcsd 0019016 9.9342 9.5566 9.1104 90 102.397 90 P2/c atom x y z Uiso As1 .0186 .2190 .9450 .051 As2 .1656 .4255 .8627 .055 As3 .4589 .3154 .4367 .086 As4 .3712 .0359 .1793 .060 S1 0 .0944 .75 .018 S2 0 .5482 .75 .032 S3 .1961 .3162 .6489 .015 S4 .2837 .1733 .3259 .030 S5 .5 .4385 .25 .020 S6 .3833 .1725 -.0023 .048