Auriacusite Mills S J, Kampf A R, Poirier G, Raudsepp M, Steele I M Mineralogy and Petrology 99 (2010) 113-120 Auriacusite, Fe3+Cu2+AsO4O, the first M3+ member of the olivenite group, from the Black Pine mine, Montana, USA Locality: Black Pine mine, Montana, USA _database_code_amcsd 0014650 8.6235 8.2757 5.9501 90 90 90 Pnnm atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) FeM .1188 .1373 .5 .55 .0157 .0089 .0064 .0318 .0000 0 0 CuM .1188 .1373 .5 .45 .0157 .0089 .0064 .0318 .0000 0 0 Cu 0 .5 .2491 .0054 .0081 .0059 .0021 .0024 0 0 As .2510 .2630 0 .0054 .0055 .0043 .0064 .0006 0 0 O1A .401 .396 -.051 .25 .001 O1B .387 .404 .078 .25 .001 O2 .0827 .3667 0 .0056 O3 .2670 .1480 .231 .026 O4 -.0971 .6243 .5 .0035