Example – Rhabdophane-(Ce), (Ce,La)PO4 • H2O
Named from the Greek, “rod” and “to appear”, in allusion to the characteristic bands shown in its spectrum.
X-ray diffraction study of cerous phosphate and related crystals I. Hexagonal modification
Mooney R C L ,
Acta Crystallographica, 3 (1950) p.337-340
CeO8 polyhedra (green)
PO4 tetrahedra (orange)