Lazurite , an ancient name for chinese colored glass 琉璃，中国玻璃古称谓之一。
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The earliest unearth art can be updates to seven thousands years ago , and official document for lazurite around 403 b . c ~ 221 b . c （ during the warring age ） 其出土文献，七千年前即有发现而春秋战国及有正式文献记载。