Anhydrite Kirfel A, Will G Acta Crystallographica B36 (1980) 2881-2890 Charge density in anhydrite, CaSO4, from X-ray and neutron diffraction measurements Locality: Stassfurt, Germany _database_code_amcsd 0020854 7.006 6.998 6.245 90 90 90 Amma atom x y z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Ca .75 0 .34765 .0068 .0095 .0068 0 0 0 S .25 0 .15577 .0059 .0069 .0047 0 0 0 O1 .25 .16956 .01607 .0178 .0084 .0090 0 0 .0024 O2 .08202 0 .29735 .0064 .0173 .0091 0 .0015 0