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jade玉玉,以其质地细腻,玲珑剔透,自古被人们所喜爱。玉具有除热、柔筋强骨,安魂魄、利血脉、明耳目长等疗效。玉能养人,人能养玉。Jade,withitsfinetextureandexquisite,isenjoyedbypeople.Jadecanexpelhot,strengthenthebody,nerves,andpromotethebloodcirculation.Peoplekeepjade,jadeadoptee目录contents21Hetianjade2Dushanjade3Lantianjade4Xiujade5Feicui鉴定玉的标准,一般有以下几条:一是看玉的比重。比重越大,玉越珍贵。二是看玉的硬度。硬度越强者玉石越佳。三是看玉的色泽。红的为翡,绿的为翠。翡和翠布满就可以称为宝石。当然玲珑剔透也是一个方面。四是听玉的声音。脆者为佳,哑者为劣。五是看做工。常言道:黄金有价玉无价。这句话并不科学。所有的玉都是论斤,论立方购买的。和艺术结合,才决定它的价格。六是看玉的时间。玉有古玉和现代玉之分。古玉就是文物。现代玉就是艺术品。一块年代久远的古玉,价值可以连城。Thestandardofjustifyingthejade:1.theproportionofjade.Thegreatertheproportion,themorethejadeprecious.2.thehardnessofjade.Thebiggerthehardness,thebetterthejade.3.thecolorandlustreofjade.Theredforfei,greenforcui.Ifitisfulledwithfeiandcui,itcanbecalledgems.Certainlyexquisiteisoneaspect.4.listeningtothesound.Crispyispreferred,dumbtobad.5.handiwork.Asthesayinggoes:valuablejadepricelessgold.Thissentenceisnotscientific.Allofthejadeisconcerningaboutthepurchase,cubicmeters.Combinedwithart,thepriceofitsdecision.6.Thetime.Jadeisdividedintoancientjadeandmodernjade.ancientjadeisculturalrelics.Modernjadeisartwork.Apieceofantiquejadeispriceless.目录contents21Hetianjade一般所称中国四大名玉,是新疆产出的和田玉、河南南阳产出的独山玉,陕西蓝田玉和辽宁岫岩县产出的岫玉。ThegeneralsaysChinese“four-jade”contains“hetianjade”,“dushanjade”,“lantianjade”and“xiujade”.和田玉按产状分三种类型:(1)仔玉:从河流中捡出的玉石,它是原生石经过剥蚀,冲刷搬运到水系中的大卵石,这种玉小块多,大块少,质地好,水头足,色泽洁净,其中常有羊脂玉仔出现。(2)山料水玉:经冰川和洪水等搬运的软玉,其特点是块度大,表面光滑(3)山料玉:指直接从玉石矿中采出的原生玉石。目录contents22Dushanjade独山玉颜色复杂多样,在玉石上分布表现为二:一是各色相互浸染交错,杂乱无章,另一类表现为大致呈平行带状展示,且有色相、浓度上表现为呈渐变的关系。它的质地近似于软玉和翡翠,具有坚韧致密细腻的性质。它的透明度从半透明、微透明到不透明都可以见到。Dushanjadecolorsiscomplexandvarious.Indistribution,itappearsfirstlyContaminatedcrisscross,chaotic,andanotherroughlyaparallelbands.It‘ssimilartextureissoftjade,itscharacterareToughdensityandexquisite.Itstransparencyvariesfromtranslucenttocanbeingseen.目录contents23蓝田玉蓝田玉的名称初见于《汉书。地理志》,美玉产自“京北(今西安北)蓝田山”。其后,《后汉书。外戚传》、张衡《西京赋》、《广雅》、《水经注》和《元和郡县图志》等古书,都有蓝田产玉的记载。Thefirstnameoflantianjadeappeardin“hanshu”.thejadeisproducedinlantianmountain.Subsequently,the“HouHanShu,“Theguangya,waterthenote“alsohaveitsrecord.目录contents24Xiujade岫玉现为我国蛇纹岩玉石总的工艺名称。广义的岫玉包括辽宁岫岩玉、广东南方岫玉、四川会理岫玉、新疆昆仑岫玉和北京十三陵所产京黄岫玉等。狭义的岫玉则专指辽宁岫岩县所产的岫岩玉(简称岫玉)。它的颜色多种多样,但以白色、淡绿色为常见。它的硬度为2。5---4。5;比重2。5左右;油脂光泽或蜡状光泽;半透明至不透明,也有极少数为透明,与有机玻璃比较相似。JadeisthegeneraltermoftheserpentiniteGeneralizedjadeincludesGuangdongnanfangjade,liaoningxiuyanjade,sichuanhuilijade,xinjiangkunlunjadeandBeijingjinghuangjade,etc.Sensustricto,thexiujadereferstotheproductionofliaonengxiuyan.Itscolorisvaried,butwithwhite,greeniscommon.Itshardnessis2.5-4.5,proportionof2.5.目录contents25Feicui翡翠硬度为7,比重3.33。矿物折光率:Ng=1.667,Np=1.654;重折率0.012。常见的翡翠颜色有白、灰、粉、淡褐、绿、翠绿、黄绿、紫红等,多数不透明,个别半透明,有玻璃光泽。按颜色和质地分,有宝石绿、艳绿、黄阳绿、阳俏绿、玻璃绿、鹦哥绿、菠菜绿、浅水绿、浅阳绿、蛙绿、瓜皮绿、梅花绿、蓝绿、灰绿、油绿,以及紫罗兰和藕粉地等二十多个品种。Feicuihardnessis7,andproportionof3.33.Mineralrefractiveindex:Ng=1.667,Np=1.654,Heavydiscountrateis0.012.Thecommoncoloroffeicuijadearewhite,ash,brown,green,pinkgreen,yellowgreenandred.Themajorityisnottransparent,individualtranslucent,luster.Dividedbythecolorandtexture,Itincludesturquoise-blue,colorfulgreen,HuangYanggreen,YangQiaogreen,glassgreen,YingGegreen,shallowgreenandsoon.玉石文化Thankyou!
本文标题:玉石简介(英语演讲)
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