The Diamond View<sup>TM</sup> images of natural diamonds from three commercial diamond localities in China and their significance

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The Diamond ViewTM images of natural diamonds from three commercial diamond localities in China and their significance
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对采自我国3个商业性产地山东蒙阴、辽宁瓦房店、湖南常德地区的236片/颗天然钻石样品进行了系统的Diamond View^TM(DV)荧光图像分析,结合CL照相和FTIR的定量计算,探讨了钻石样品DV图像发光结构模式和荧光颜色方面的差异性及其原因。结果表明,3个产地钻石的DV图像和CL图像显示的钻石生长结构基本一致;钻石的发光结构模式与钻石内部氮、氢元素的种类和浓度分布趋势没有明显的一致性,DV图像模式并不完全受钻石类型控制,但DV图像的色调与钻石存在的杂质元素及晶体缺陷有关。钻石的DV图像特征受钻石的生长环境、结晶条件、后期熔蚀、辐照损伤等因素综合制约。从统计学的角度看,3个产地钻石的DV 发光模式和荧光颜色有一定的差异,这种差异可以作为区分不同产地来源的钻石的宏观的统计学特征。Diamond View^TM技术在揭示天然钻石生长结构方面和CL发光照相技术效果近似,但更加便利。

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孙媛,陈华,丘志力,陆太进,梁伟章,张健,李榴芬,王琦,莫默,2012,中国3个商业性钻石产地天然钻石的Diamond View^TM图像及其意义[J].岩石矿物学杂志,31(2):261~270. SUN Yuan, CHEN Hua, QIU Zhi-li, LU Tai-jin, LIANG Wei-zhang, ZHANG Jian, LI Liu-fen, WANG Qi, MO Mo,2012,The Diamond View^TM images of natural diamonds from three commercial diamond localities in China and their significance[J]. Acta Petrologica et Mineralogica,31(2):261~270.

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Received:May 10,2011
Revised:September 20,2011
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