Alacranite Bonazzi P, Bindi L, Popova V, Pratesi G, Menchetti S American Mineralogist 88 (2003) 1796-1800 Alacranite, As8S9: structural study of the holotype and re-assignment of the original chemical formula _database_code_amcsd 0003185 9.942 9.601 9.178 90 101.94 90 P2/c atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) As1 .0190 .2227 .9418 .058 .054 .075 .043 .011 .008 .018 As2 .1653 .4149 .8541 .049 .036 .043 .064 -.003 .001 -.009 As3 .4408 .3214 .4333 .043 .058 .035 .037 -.010 .013 -.005 As4 .3750 .0312 .1774 .045 .057 .045 .036 -.017 .015 -.015 S1 0 .0768 3/4 .072 .082 .034 .098 0 .012 0 S2 0 .5590 3/4 .097 .076 .031 .165 0 -.020 0 S3 .1854 .3210 .6404 .067 .034 .117 .053 -.005 .021 .002 S4 .2806 .1733 .3216 .036 .029 .051 .035 .008 .019 -.006 S5 1/2 .4457 .25 .046 .071 .031 .043 0 .027 0 S6 .3944 .1671 -.0114 .045 .056 .040 .037 .009 .008 .007