第一百七十章 辨玉

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    第一百七十章 辨玉
    几乎是玉石与镜子俱毁!
    赵老二跟那年轻的摊位老板都吃了一惊。
    周宣拿起观音像的碎片向那老板一伸,说道:“你自己瞧瞧,玻璃底子,外面涂的一层绿油漆,这是上等的a货?就算是b货,c货那也还好些,可你这根本就不是翡翠,是水玻璃,便宜到不能再便宜的东西,成本,可能五块钱都不要吧!”
    赵老二怔了怔,问道:“你说的abc货又是什么东西?”
    周宣笑笑说道:“abc货是国家技术监督局根据目前市场上销售的翡翠饰品制定的三类技术标准,就是a货b货c货,不过这个标准并不代表翡翠的等级,只是把翡翠的优劣分为三个类型,天然翡翠原料的制成品,质地,颜色都没有经过人为的改造,保持天然的本质,这一类翡翠饰品称之为a货,像卖场里销售的高档翡翠,都不必加注‘天然或a货’的字样,但一定是a货。”
    周宣把几块碎片放到摊位上,又说:“一些地子脏,灰黑,水头差,比较干,但有绿色或深色的低档翡翠原料或者半成品,进行人工化学,物理方法的处理后,可以增加透明度,又能使色泽更好看,不过这种人工强烈的腐蚀处理,会破坏翡翠的原始结构,使翡翠变得松软,因而要填充有机胶加以粘固,这样就降低了本身的质量,而且填充物为有机物,时间长了会老化,会慢慢变黄,同时产生许多龟裂纹,鲜艳的颜色也会消退,这个时候,就一钱不值了,这种就是b货,在市场上又称为‘新玉’,做成成品后与真正的靓色上品翡翠几乎没有分别,不过要辨认的话,还是有办法的!”
    “你瞧这个!”周宣说着拿起一片观音碎片,又指着玻璃镜说,“b货有几个缺点,一是易碎易折,相互碰撞的时候声音短促不清脆,二是会老化褪色,不过这个过程会长一点,一般是三到五年,最长五年,色褪后就一钱不值了,三是优化过程中,必需使用‘王水’,强酸等化学高腐蚀剂,戴在人身上那是有害无益,而现在市场上又出现了用水玻璃和有机硅做填充物,取代了树脂,这就更让人难以识别了,像这个观音像吧,它中间是水玻璃,b货都算不上,只能称为c货,只是在外层涂了一层绿油漆而已!”
    “劣质翡翠或者有机物的硬度是不高的,国内外的翡翠分为两大类,一类是软玉,好像国内产的玉一般都是软玉,硬度低,而翡翠则被称之为硬玉,刚玉,它是玉类中硬度最高的,达到摩氏七级,而一般的玻璃只有摩氏五点五度左右,如果拿刀在真正的翡翠上面刻的话,是不能留下任何痕迹的,但如果是假货,那硬度必然是达不到的,拿来与玻璃一划便知道真假了!”
    周宣说到这儿笑笑的瞧着赵老二,赵老二这才恍然大悟,指着观音碎片道:“哦,我明白了,就是说如果是假的,一碰硬东西,像玻璃一样的就会碎,如果是真的,那就是玻璃碎,而它本身就一点问题都没有,这个观音像碎了,那就是假的了!”
    观音像很明显,因为真的翡翠,不论等级的优劣,它的里外颜色都是相等的,不可能里面是什么颜色,而外表层却又是另一种颜色。
    赵老二却是又嘀咕着道:“不过这方法也太那个了点,要是不弄碎那不就认不出来了?”
    那年轻的摊位老板面色一时间极为难看,听着周宣说了这一阵,忽然手一拍摊位板上,叫道:“你撒什么野装什么样?弄坏了我的翡翠观音像,赶紧赔三千块钱来,否则有你好看!”
    赵老二顿时气愤了,从衣袋里掏了一百块钱扔到摊位上,恼道:“你这是假东西还要三千块钱?给你一百块,拿去再进二十个来骗人吧!”
    不由得他不气,就按他开始说的价,那也是一千二,这转眼间又涨到了三千块,不过那摊位老板要玩横的玩无赖,赵老二倒是不怕了,后面可是跟着郑兵,江晋,张山,伍风四个打手呢!
    周宣自然也是不担心的,淡淡道:“老板,你这货怎么讲都是假的,如果是真的,那价值又何止区区三千块?最少五百万以上,三千块,你自己觉得值么?”
    那老板叉着腰叫道:“妈的,想耍赖是不是?是不是仗着人多了?”说着就冲着摊外叫了一声:“兄弟们都出来,有人赖帐了!”
    他这一叫,立即从别的摊位上窜出来十多个年轻男子,个个气势汹汹的奔了过来,想必这些摊位老板都是一伙的,早就配合好了的,哪一个摊位遇到有人找碴,只要一叫,就都过来了,一般来的又都是外地的游客,交易估计也都在几十百来块之间,遇到这样的事肯定是自认倒霉算了,本地人是肯定不会来这路边摊买玉的。
    “张江,什么事?”
    “想赖帐的就打断他的手……”
    ……
    十来个人围住了周宣他们六个人,人多的一方七嘴八舌的叫嚣着,指手画脚的。
    说实话,周宣倒还真不想
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