Color characteristics of plum-green celadon glaze from the Longquan kiln in Southern Song (1127–1276 A.D.) and Yuan Dynasties (1271–1368 A.D.)

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Plum-green celadon is a quintessential example of Longquan kiln celadon varieties. This study explored the color characteristics of plum-green celadon by analyzing 19 glaze samples via various techniques, including colorimeter, XRF, XRD, Raman spectroscopy, and SEM/EDS. The results showed that the firing temperature of the Southern Song specimens was lower than that of the Yuan Dynasty specimens. Furthermore, phase-separated droplets within the glaze layers of specimens from both dynasties contributed to a Rayleigh scattering effect, which in turn subtly influenced the overall glaze color. The glaze coloration of Longquan plum-green celadon from the Southern Song and Yuan dynasties was the result of the interaction of chemical and physical factors.