The true and false judgment of stone and times ’characteristics

In the 11 th issue of 2009,'treasure'magazine published the author’s article'four steps to determine the truth of lingbi stone'.This article has been widely cited by professor wen qing of tsinghua university in the teaching of the China ornamental stone association appraisal and evaluation teacher training class,and has been reproduced by magazines and media,also has its name changed to"the true and false identification of lingbi stone"published,received a good response.