jiandingyushipinzhidehaohuai，shoudiantongshibibukeshaodeyizhongjiandinggongju。shoudiantongjiandingyuzhihenjiangjiu，tongchangxuyaozhuyibutongdeguangzhao、butongdejiaodulaizhaosheyushi，weiyouzaizhengqueshiyongdeqingkuangxia，cainenggouzhunquepingpanchuyushidepinzhi，yijineibudewenliqingkuang。

　　手电照射光源的远近，照射的方式，照射的角度等原因，都能导致鉴定结果的不同，在鉴别和田玉neibujiegou、neibukelideqingkuangshi，zhiyaojiangshoudianheyushichengxianchu45dujiaozhaoshejiukeyikandehenqingchule。

　　1、从侧光观察内部结构：

　　shouxianxuanzeyigeguangsudeguanchapingmianlaikan，jinkenengxuanqudedadian。liru：guanchayupaideshihou，tongchangxuanzhengmianzuoweiguanchamianlaikan，rangguangxiancongcemian45dujiaojinrushi，zheiyangguanchamianbijiaodaxie。

　　caozuodeshihouzhuyi，xuyaoyongshouzhezhudiantongdeguangxianlaikan，yibimianburangqiangguangxiantoushejinlai，tongshiyaobimianceguangguogao，zhaodaopaiziguanchamianshanglaikan，zheiyangwomenkeyizaiguanchamianshangqingchudikandaohetianyuneibudejiegoule。

　　2、和田玉具有云絮状纹理的毡状结构：

　　hetianyuyouchongfendechengkuangtiaojianyijiyouhuaguochengdeyoushi，congershitaxiangduiyuqitashanshiyugengjiawanshan，danshaoshuhuojubuhaishihuiyouyouhuabuchongfendexianxianglaifasheng，suoyiyehuiyouqitashanshiyudeyixiegouzaotezhengchuxianzaiqizhong。suoyihetianyucaihuijuyouyunxuzhuangwenlidezhanzhuangjiegoudutedegouzaotezheng，bingqiejuyouyidingdemeiganxianxianzaiqizhong。

　　yunxuzhuangwenlidezhanzhuangjiegou，yeshihetianyuzuichangjiandeneibugouzao，zheishihetianyusuoteyoudeyizhonggouzao。zheishiyouyuweihetianyudejiegouchuletoushanshikuangwukelitebiexizhangdexianweizhuangzhiwai，haiyouhenduoshixianweiyinjingzhitoushanshijingtizhilei，zheixieshibiedeshanshiyusuobutaijubeideneibugouzao。

　　3、通过纹理更容易判断玉质的细腻度：

　　zaixuduodexingjiazhangqishijianjingyanzhongfaxian，tongguoguanchayunxuzhuangwenlijiegou，nenggoudadaogengrongyipanduanhetianyudexinidu。

　　womenkeyibayunxuzhuangwenlishelichengsigebiaozhun：yiyunxuzhuangwenliqizhongdecuxichengdu、zhangduanqingkuang、junyunxingyijinongdanzhuangkuanglaimiaoshutamen。yiluobusiwenzhongdexi、duan、yun、yinshiweihao，yicu、zhang、buyunyijimingxiandequbieweicha。

　　tongchangzheisigetezhengdouhenhaode，yuzhixiniduziranshizuijia，sangetezhengbucuodeneijiushiyoudengle，lianggetezhenghaodeyenengsuanzhongdeng。zheiyangnengjiaojutidejitamenqubiedengji，yegengrongyirangrenlijie。dangranshanshiyudezheizhonggouzaoguanchaduixinshoulaishuohaishibijiaokunnande，bixujinglaowanjiaqinzizhidian，bingqiejingguozhangqidelianxitihuicainengxuehui。

　　4、和田玉裂纹观察：

　　yaoshiyongshoudianguanchayushineibudezazhi，xiacizheixiefangmian，yaojiangguangyuanjintiehetianyudebeimian，zaibiaomianshangbuduandepingyishoudiandeguangyuan，ruoshichuxiantonganhuoshibujunyundezhesheguang，jiushuominghetianyudeneibushiyouliewende，ruoshimeiyou，neijiushuominghetianyuneibudeliewenshimeiyoude。