Monazite-(Sm) 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 0001703 6.6818 6.8877 6.3653 90 103.86 90 P2_1/n atom x y z Biso Sm .28153 .15638 .09813 .228 P .3034 .1618 .6130 .25 O1 .2499 .0020 .4405 .57 O2 .3822 .3341 .5008 .57 O3 .4748 .1025 .8102 .56 O4 .1217 .2125 .7113 .57