Citation: Dago, A.M.; Pushcharovskii, D.Yu.; Pobedimskaya, E.A.; Belov, N.V. (1980). Crystal structure of gamma-K Er (P O3)4, a new modification of the rare-earth metaphosphates K Tr (P O3)4. Doklady Akademii Nauk SSSR, 251, pp. 1392-1395.
Formula: Er K O12 P4
Chemical name: K Er (P O3)4
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Er4 O48 P16 (Er O12 P4)
Multiplicity: 1
Coordination sequences: