都是卖玉石，不懂行情，但工作人员很热情

Oneistolookatthecolor.Coloristhemostimportantfactorinassessingjadequality.Thecolorisuniform,yang,thick,andpositivejadeisthetopgrade.Uniformreferstouniformity;yangreferstobrightcolor,givingpeopleasenseofopennessandnostagnation;thickmeansthatthecolorisrelativelydark;itmeansthatthereisnoothermixedcolors.Thesecondistolookatthetexture.Jadeisapolycrystallinemineralformedbysilicateathightemperatureandhighpressure.Thesizeofitscrystalsdirectlyaffectsthesmoothness,transparencyandhueafterhoning.Therefore,thefinerthepolycrystallinestructure,thebetterthetextureofjade.Thethirdistolookattransparency.Transparencyisaphysicalphenomenonthatcomplementstexture.Thefinerthetexture,thehigherthetransparency.Ifthejadeisastransparentasglass,thefinenessofthecrystalinsidecanmakethelightstraightthroughwithoutbeingblocked.Thefourthistolookatthedayafterprocessing.Whenjadeismined,itisjustlikeore.Thecoloredpartsofthestonemustbecarefullycutintodifferentshapesbyexperiencedprofessionalcraftsmen,thenpolishedandcarved,polishedandwaxedbeforetheycanbesoldonthemarket.GroupA,whichhasnobleachingordyeingtreatmentatall,hasthehighestvalue;gradeBisbleachedandfaded,followedbyvalue;gradeCisdyedlower.Excellentafter-dayprocessing.Canaddjasminetotheflowers.Fivelookatthecrack.Thecrackonthejademaybecausedduringminingorprocessing.Aftercracking,regardlessofitscolor,textureandtransparency,itwillaffectitsvalue.Sometimesthecrackisnotobviousonitssurface,butitcanbeseenbycarefulobservationinthesun.Especiallyforjadethatisbleached,fadedordyed,cracksarecommon.Whilediscerningthequalityofjade,itisalsonecessarytopreventtheartificialjadefrombeingfaked.Artificialjadeismadebydyeingwithglass,plasticandothermaterials.Mostoftheglassanti-jadecontainsbubbles,thecolorisbrightandthegreencolorhasastronglight,andthecolorisdifferentfromtherealjade.Theplasticimitationjadeislighterthantherealjade,thetransparencyisverypoor,thecolorisdull,anditisfarfromtherealjade.