The microstructureof the sampleglazelayer under polarizingmicroscopeandreflecting microscope has showed acicularhausmannitecrystalson the glaze layer surface of luster glaze.
Made of cream-colored earthenware, the vase is hand-painted with polychrome enamels and gold over passages of ivory and luster glaze each glaze and area of color or gold required a separate kiln firing at specific, carefully controlled temperatures.