Citation: Schroeder, F; Mueller-Buschbaum, Hk (1986). Neue metastabile Oxolanthanoide: Ba Ca2 Y6 O12 und Ca0.33 Mg Y2.67 O5.33 (=Ca Mg3 Y8 O16). Journal of the Less-Common Metals, 116, pp. 211-218.
Formula: Ca0.33 Mg O6 Y2.67
Chemical name:Calcium magnesium yttrium oxide (.33/1/2.67/5.33)