The history of coloures glaze was extremaely long, It can be retrospected to the age of dynasty Shang and Zhou. More than 3000 years ago, people in China created wethiess and slick coloured glaze art to compare with and instead of jade, rare stone and jewelry.
So coloured glaze art made from what?
Its main material called synthetic crystal glass, a chemical matter. It compose with silicon dioxide, alumina, plus lead monoxide. Art item is very noblest, beautiful, shining, glittering and translucent, which made from this kind of suppernatural material which is either cold or heat.