Euclase Mrose M E, Appleman D E Zeitschrift fur Kristallographie 117 (1962) 16-36 The crystal structures and crystal chemistry of vayrynenite, (Mn,Fe)Be(PO4)(OH), and euclase, AlBe(SiO4)(OH) Locality: Villa Rica, Minas Gerais, Brazil _database_code_amcsd 0010591 4.763 14.29 4.618 90 100.25 90 P2_1/a atom x y z Biso Al .249 .4447 .957 .10 Be .176 .3000 .470 .46 Si .177 .1002 .539 .06 O1 .380 .0321 .761 .18 O2 .380 .3767 .650 .21 O3 .346 .2000 .520 .20 O4 .100 .0529 .215 .27 OH .158 .3324 .118 .42