Brackebuschite Donaldson D M, Barnes W H American Mineralogist 40 (1955) 597-613 The structures of the minerals of the descloizite and adelite groups: III - brackebuschite _database_code_amcsd 0000072 7.681 6.155 16.524 90 93.75 90 B2_1/m atom x y z Biso Pb1 .1149 .25 .3745 1.9 Pb2 .6233 .25 .2989 1.9 V1 .6462 .25 .0865 0.5 V2 .1233 .25 .1644 0.5 Mn 0 0 0 1.5 O1 .114 .023 .104 O2 .941 .25 .230 O3 .299 .25 .247 O4 .632 .023 .145 O5 .455 .25 .017 O6 .846 .25 .024