Nielsbohrite Walenta K, Hatert F, Theye T, Lissner F, Roller K European Journal of Mineralogy 21 (2009) 515-520 Nielsbohrite, a new potassium uranyl arsenate from the uranium deposit of Menzenschwand, southern Black Forest, Germany Locality: Menzenschwand, southern Black Forest, Germany _database_code_amcsd 0007287 8.193 11.430 13.500 90 90 90 Cccm atom x y z occ Uiso K 0 0 .5 .041 U1 .25 .25 .36478 .0308 U2 0 .5 .5 .0334 As 0 .5 .25 .0492 O1 .113 .4233 .3272 .049 O2 .066 -.1716 .1339 .041 OH3 .677 -.146 -3.5 .062 O4 -.172 .399 .5 .048 Wat5 0 0 .25 .023 OH6a .25 -.25 .3816 .67 .005 OH6b .25 -.25 .315 .33 .005