1、 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,with its fine texture and exquisite,is enjoyed by people.Jade can expel hot,strengthen the body,nerves,and promote the blood circulation.People keep jade,jade adoptee目录contents21Hetian jade2Dushan jade3Lantian jade4Xiu jade5Fei
2、cui The standard of justifying the jade:1.the proportion of jade.The greater the proportion,the more the jade precious.2.the hardness of jade.The bigger the hardness,the better the jade.3.the color and lustre of jade.The red for fei,green for cui.If it is fulled with fei and cui,it can be called gem
3、s.Certainly exquisite is one aspect.4.listening to the sound.Crispy is preferred,dumb to bad.5.handiwork.As the saying goes:valuable jade priceless gold.This sentence is not scientific.All of the jade is concerning about the purchase,cubic meters.Combined with art,the price of its decision.6.The tim
4、e.Jade is divided into ancient jade and modern jade.ancient jade is cultural relics.Modern jade is artwork.A piece of antique jade is priceless.目录contents21Hetian jade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。The general says Chinese“four-jade”contains“hetian jade”,“dushan jade”,“lantian jade
5、”and“xiu jade”.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contents22Dushan jade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。
6、Dushan jade colors is complex and various.In distribution,it appears firstly Contaminated crisscross,chaotic,and another roughly a parallel bands.Its similar texture is soft jade，its character are Tough density and exquisite.Its transparency varies from translucent to can being seen.目录contents23蓝田玉蓝
7、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。The first name of lan tian jade appeard in“han shu”.the jade is produced in lantian mountain.Subsequently,the“HouHanShu,“The guang ya,water the note“also have its record.目录contents24Xiu jade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
8、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。Jade is the general term of the serpentinite Generalized jade includes Guangdong nanfang jade,liaoning xiuyan jade,sichuan huili jade,xinjiang kunlun jade and Beij
9、ing jinghuang jade,etc.Sensu stricto,the xiu jade refers to the production of liaoneng xiuyan.Its color is varied,but with white,green is common.Its hardness is 2.5-4.5,proportion of 2.5.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。
10、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。Feicui hardness is 7,and proportion of 3.33.Mineral refractive index:Ng=1.667,Np=1.654,Heavy discount rate is 0.012.The common color of feicui jade are white,ash,brown,green,pink green,yellow green and red.The majority is not transparent,individual translucent,luster.Divided by the color and texture,It includes turquoise-blue,colorful green,HuangYang green,YangQiao green,glass green,YingGe green,shallow green and so on.玉石文化Thank you！
