Citation: Li, R. K.; Chen, Peng (2010). KBa~7~Mg~2~B~14~O~28~F~5~, a new borate with an unusual heptaborate group and double perovskite unit. Acta Crystallographica Section C, 66, pp. i7-i8.
Formula: B14 Ba7 F5 K Mg2 O28
Chemical name:Potasium barium magnesium borate fluoride