AM_Yttrotungstite-(Y) Formula: (Mg.03 Ca.04 Ce.08 La.01 Pr.01 Nd.09 Sm.03 Gd.04 Tb.01 Dy.05 Er.04 Y.57) (W1.84 Al.1 Si.04 Fe.02) O9 H1.25 Name: Yttrotungstite-(Y) Unit cell: 6.954 8.637 5.771 90.0 104.93 90.0 , V=334.91 Space group: P121/M1 (11)

Davis R J , Smith G W , Mineralogical Magazine , 38 (1971) p.261-285, Yttrotungstite, Locality: Kinta district, Perak, Malaysia