天然黑珍珠与人工黑珍珠的区别

　　youzhiheisezhenzhudenianchanlianggujibuchaoguo15wanke，qizhong40%tongguoyinianyidudeguojipaimaihuichushou。daduoshuheizhenzhulijingjizhongyu9mmzhi10mmzhijian，dayueyou6chengyishangheizhenzhulijingbuchaoguo11mm。yinciyibanba11mmzuoweiheizhenzhudezhenpindejiexian，er15mmyishangjingyuanxingheizhenzhuyinfeichangxiyou，lianxianchengdekecankaoshichangjiagedoumeiyou，zujianqiangguixiyou。wuyixiweigui，suoyi，changyoubufarenshirengongranse，baqiansezhenzhugaiweishense，zaochengpinzhixiajiang。neimewomengairuhejianbietianranheizhenzhuyurengongheizhenzhuni?

　　ruhejianbiedaxidiheizhenzhuyurengongheizhenzhu：

　　1.颜色的展布

　　ransedeheizhenzhuyansejunyi，qiezaizuankongheliewendedifangjujideheisejiaoshen。biaomianyanseweichunheise，ertianranheizhenzhufeichunhei，ershiyouqingweicaihongyangdeshanguangdeshenlanheise，huodaiyouqingtongsediaodeheise。

　　2.粉末法

　　ransedeheizhenzhuqifenmoweiheiseerheizhenzhuqifenmoweibaise。danquzhenzhufenmoshiyizhongpohuaixingshiyan，caozuoshiyaoshifenxiaoxin，youqibunengzaimeiyouzuankongdeheizhenzhushangrenyikequ。

　　3.粒度大小法

　　heizhenzhuduoweidazhumubei，duozhidaheyudazhu，lijingyibanhenshaoxiaoyu9haomi，suoyixiaoyu8haomiweiyuanxingheizhenzhu，duobanshifuzhaochanpin。

　　4.晕彩

　　jingguofangshexingfushegaisedeheizhenzhu，yuncaiguangpusenongyan，tongshibanyouqiangdejinshuguangze。

　　5.稀酸法

　　zaimouxieqingkuangxia，yekeyongmianqiuzhanxiexixiaosuan(2%)zaizhenzhubuxianyandedifangjinxingshica，ransedeheizhenzhuhuishimianqiuchengheise。cifashupohuaixingfangfa，yingdangshaoyongweijia。raner，youfengfujingyandejiandingshichangkeyizaizhesedezhenzhushangzhaodaopozhan。xingzhiyouxiaofangfahaishiyiqiceshifa，ru：hongwaiguangpufenxi、xianweijingdeng。