CAJ | 학술논문

近两年,我国珠宝市场上出现了大量的＂西安绿＂＂丹东绿＂等绿色印材,其多被用来仿冒绿色寿山石（＂月尾绿＂）,并以高价售卖。采用X射线粉末衍射仪,电感耦合等离子质谱仪,扫描电子显微镜等测试仪器,对＂西安绿＂＂丹东绿＂的矿物组成、化学成分以及微观结构进行分析,并与寿山＂月尾绿＂的宝石矿物学特征进行了对比。结果表明,＂月尾绿＂主要由铬云母组成,Cr,Fe元素是其呈浅绿色并略带灰黄色调的主要原因之一;＂西安绿＂主要由伊利石组成,其Cr,V元素的质量分数远高于＂月尾绿＂中的,且前者几乎不含Fe元素,这可能是其呈艳丽绿色的主要原因;＂丹东绿＂主要由斜绿泥石组成,Fe元素的质量分数较高且几乎不含Cr元素,致使其呈现较深的暗绿色。扫描电子显微镜的观察结果发现,与＂月尾绿＂相比,＂西安绿＂中伊利石的片晶厚、粒度小,＂丹东绿＂中斜绿泥石的片晶薄、堆积紧密,挠性发育。这三种绿色印章石在绿色色调、光泽、密度、内含物等方面存在不少的差异,可作为其鉴别特征。
근량년,아국주보시장상출현료대량적＂서안록＂＂단동록＂등록색인재,기다피용래방모록색수산석（＂월미록＂）,병이고개수매。채용X사선분말연사의,전감우합등리자질보의,소묘전자현미경등측시의기,대＂서안록＂＂단동록＂적광물조성、화학성분이급미관결구진행분석,병여수산＂월미록＂적보석광물학특정진행료대비。결과표명,＂월미록＂주요유락운모조성,Cr,Fe원소시기정천록색병략대회황색조적주요원인지일;＂서안록＂주요유이리석조성,기Cr,V원소적질량분수원고우＂월미록＂중적,차전자궤호불함Fe원소,저가능시기정염려록색적주요원인;＂단동록＂주요유사록니석조성,Fe원소적질량분수교고차궤호불함Cr원소,치사기정현교심적암록색。소묘전자현미경적관찰결과발현,여＂월미록＂상비,＂서안록＂중이리석적편정후、립도소,＂단동록＂중사록니석적편정박、퇴적긴밀,뇨성발육。저삼충록색인장석재록색색조、광택、밀도、내함물등방면존재불소적차이,가작위기감별특정。
＂Xi＇anlv＂ and ＂Dandonglv＂ are used as the imitations of green larderite（＂Yueweilv＂） in the jewelry market recently.Mineral components,chemical compositions and microstructures of ＂Xi＇anlv＂ and ＂Dandonglv＂ are investigated by using the XRD,ICP-MS and SEM,which are also compared with ＂Yueweilv＂.The results show that ＂Yueweilv＂ is mainly composed of fuchsite,where the Cr and Fe elements lead to a slightly gray-green tone in colour;that ＂Xi＇anlv＂ is mainly composed of illite with much lower Fe,and the content of elements Cr and V are much higher than those of ＂Yueweilv＂,which may be the main reason for the green colour of ＂Xi＇anlv＂;and that ＂Dandonglv＂ is mainly composed of clinochlore with higher Fe and lack of Cr elements,which is the main reason for its dark-green tone in colour.The observation by SEM shows that the lamellar crystal of illite is small but thick in ＂Xi＇anlv＂ and that the lamellar crystal of clinochlore is thin,flexible and piled up closely in ＂Dandonglv＂.The three kinds of green seal stones mentioned here are quite different in colour,luster,weighting,and inclusion,due to their different compositions and microstructures.