Yes. After the ice jade porcelain is fired at high temperature, the oiliness is revealed, forming a self-generated glaze. Ice jade porcelain is an improved version of the previous crystal porcelain. It is a porcelain body with a molded glaze color and texture, and then a layer of transparent glaze is applied. After firing, an ice-like jade-like effect can be achieved. The transparent layer of the glaze is thicker.