Tantalite-(Mn) dos Santos C A, Zawislak L I, Kinast E J, Antonietti V, da Cunha J B M Brazilian Journal of Physics 31 (2001) 616-631 Crystal chemistry and structure of the orthorhombic (Fe,Mn)(Ta,Nb)2O6 family of compounds Note: Sample Mn0.88Fe0.09Ta1.72Nb0.28O6 Locality: Brazil _database_code_amcsd 0018628 14.3196 5.7413 5.0624 90 90 90 Pbcn atom x y z occ Mn 0 .327 .25 .88 Fe 0 .327 .25 .09 Ta .1618 .1812 .743 .86 Nb .1618 .1812 .743 .14 O1 .099 .102 .067 O2 .419 .115 .072 O3 .769 .126 .099