纵观中华文明发展史 ,每个时代都有代表其时代特色的艺术作品。如商周青铜器 ,汉代丝绸 ,唐代金银器 ,宋元瓷器。但惟有一种艺术品自古不变 ,这就是玉器。玉坚重 ,声悦耳 ,质细腻 ,清润光泽、晶莹端美。自古以来 ,玉石就是高贵、纯洁、亲善、吉祥的象征。东汉许慎曰 :“玉乃石 Throughout the history of the development of Chinese civilization, each era has its own representative of the characteristics of the times artistic works. Such as Shang and Zhou bronzes, Han Dynasty silk, gold and silver Tang Dynasty, Song and Yuan porcelain. But only one kind of artwork has not changed from ancient times, this is jade. Jade Jian heavy, sound sweet, delicate, moist and shiny, crystal beauty. Since ancient times, jade is noble, pure, goodwill, auspicious symbol. Eastern Han Xu Shen said: "The jade is stone