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(1) the identification results show that the glass beads of west zhou dynasty are not glass, but polycrystalline quartz beads containing a small amount of glass phase.
(2) the chemical composition of early Chinese glass was diverse, including pbo-bao-sio2, pbo-sio2, k2o-sio2, cao-mgo-k2o-na2o-sio2 and other systems.Of these varieties, the first two systems of glass must have originated in China.
(3) the chemical composition of early Chinese glass was completely different from that of traditional enamel, and there was no direct inheritance between the two.
(4) in ancient China, the term "coloured glaze" not only refers to early glass, but also includes many kinds of silicate artificial decorations, such as polycrystalline crystal beads, dragonfly eyes