摘要
随着阿富汗祖母绿在祖母绿市场中的地位升高,有效鉴别阿富汗祖母绿的特征成为当前的主要研究要点。本文运用体式宝石显微镜、傅里叶变换红外光谱仪、紫外-分光光谱仪和微区激光拉曼光谱仪等大型仪器对阿富汗祖母绿样品的宝石学特征、谱学特征进行测试分析。紫外-可见光谱图显示阿富汗祖母绿为Cr^(3+)、V^(3+)共同作用呈绿色,Fe^(2+)导致祖母绿带有蓝色调。红外光谱图表明阿富汗祖母绿属于Ⅱ型水为主的祖母绿类型。激光拉曼光谱图显示,整体上阿富汗祖母绿的基团振动强度在晶体垂直c轴方向大于平行c轴方向强度。
With the increasing status of Afghan emeralds in the emeralds market,Effectively Iidentifying the Characteristics of Afghan emeralds Has become the Main Research Focus at Present.This Article Uses Large-scale Instruments Such as The Stereomicroscope,Fourier Ttransform Infrared Spectrometer,Ultraviolet Spectrometer,and Micro Area Laser Raman Spectrometer to Test and Analyze the Gemological and Spectral Characteristics of Afghan Emerald Samples.The UV Spectrum Shows that the Green of Afghan Emerald due to The Combined Action of Cr^(3+)and V^(3+),The Absorption of Fe^(2+)Result in a Blue Tone in the Grandmother green band.The Infrared Spectrum Reveals that Afghan Emerald Belongs to the Type Ⅱ Water Dominated Emerald.The Laser Raman Spectrum Shows that the Overall Vibration Intensity of the Groups in Afghan Emerald is Greater in the Vertical c-axis Direction than in the Parallel c-axis Direction of the Crystal.
作者
王莉
罗猛
白莹
张秋春
WANG Li;LUO Meng;BAI Ying;ZHANG Qiuchun(School of Gemmology,West Yunnan University of Applied Science,Tengchong,Yunnan 679100,China;Gemmological Institute,China University of Geosciences(Wuhan),Wuhan,Hubei 430074,China)
出处
《光散射学报》
北大核心
2025年第4期744-750,共7页
The Journal of Light Scattering
关键词
祖母绿
阿富汗
宝石学特征
谱学特征
Emerald
Afghanistan
Gemological characteristics
Specral characteristics
