Plumboselite Kampf A R, Mills S J, Pinch W W Mineralogy and Petrology 101 (2011) 75-80 Plumboselite, Pb3O2(SeO3), a new oxidation-zone mineral from Tsumeb, Namibia Locality: Tsumeb, Namibia _database_code_amcsd 0018379 10.5384 10.7452 5.7577 90 90 90 Cmc2_1 atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Pb1 .0 .8816 .814 .0204 .0197 .0162 .025 .0 .0 -.007 Pb2 .24794 .11233 .8125 .0199 .0200 .0207 .0190 -.0053 .006 .002 Se .5 .8698 .8652 .024 .000 .032 .041 .0 .0 .001 O1 .138 1.000 .048 .029 O2 .5 .723 .765 .015 O3 .624 .930 .717 .028