《天工开物·下篇·珠玉》
最近有将上料白瓷器捣得极碎，再用白蔹等汁液粘调成器物，干燥后有发光的玉色，这种作伪方法最为巧妙。
近则捣舂上料白瓷器，细过微尘，以白敛诸汁调成为器，干燥玉色烨然，此伪最巧云。
Recently, some have ground porcelain materials into fine pieces, and then used white yu juice to mix them into a vessel, which gives off a luminous jade color after drying, and this counterfeiting method is the most ingenious.