Argentopentlandite Hall S R, Stewart J M The Canadian Mineralogist 12 (1973) 169-177 The crystal structure of argentian pentlandite (Fe,Ni)8AgS8, compared with the refined structure of pentlandite (Fe,Ni)9S8 _database_code_amcsd 0005093 10.521 10.521 10.521 90 90 90 Fm3m atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ag1 .5 .5 .5 .0173 .0173 .0173 0 0 0 Fe2 .1269 .1269 .1269 .60 .0121 .0121 .0121 .0007 .0007 .0007 Ni2 .1269 .1269 .1269 .40 .0121 .0121 .0121 .0007 .0007 .0007 S1 .25 .25 .25 .0144 .0144 .0144 0 0 0 S2 .2456 0 0 .0102 .0126 .0126 0 0 0