.......................................玉料的精美化,工用的文玩上,装饰鉴赏化.............................唐代玉料以和阗青白玉为主,其它玉料少见........................................................................................................................................除此之外,大量的杂玛瑙、透明水晶...........................................多数不见于国内矿藏,可能从西域输入....................................