Hydroxylborite Rudnev V V, Chukanov N V, Nechelyustov G N, Yamnova N A Geology of Ore Deposits 49 (2007) 710-719 Hydroxylborite, Mg3(BO3)(OH)3, a new mineral species and isomorphous series fluoborite-hydroxylborite series Locality: the Titovsky deposit, Sakha-Yakutia Republic, Russia _database_code_amcsd 0012664 8.924 8.924 3.116 90 90 120 P6_3/m atom x y z Uiso Mg .3721 .3395 .25 .0100 B 1/3 2/3 .25 .013 O1 .7924 .7053 .25 .0117 O2 .4462 .6020 .25 .0105 H .90 .81 .25 .05