Xenotime-(Yb) Ni Y, Hughes J M, Mariano A N American Mineralogist 80 (1995) 21-26 Crystal chemistry of the monazite and xenotime structures Locality: synthetic _database_code_amcsd 0001712 6.8093 6.8093 5.9639 90 90 90 *I4_1/amd 0 -.25 .125 atom x y z Biso Yb 0 .75 .125 .28 P 0 .25 .375 .5 O 0 .074 .215 .5