| 天然黄玉与辐照改色黄玉的对比研究 |
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| 引用本文： | 李文侠,李景芝,王安建.天然黄玉与辐照改色黄玉的对比研究[J].吉林大学学报(地球科学版),1999(4). |
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| 作者姓名： | 李文侠 李景芝 王安建 |
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| 作者单位： | 长春科技大学图书馆!长春130026(李文侠)，国家珠宝玉石质量监督检验中心!北京100034(李景芝)，中国地质科学院矿床研究所!北京100037(王安建) |
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| 摘 要： | 利用中子辐照改色法把天然无色黄玉改成蓝色黄玉，对天然黄玉和改色后的蓝黄玉分别进行了常规检测、Ｘ－荧光测试、紫外－可见光谱测试及红外光谱测试研究。结果表明：改色前后黄玉的比重、折射率、成分都没有明显的变化；其紫外－可见光光谱、红外光谱存在一定的差异。这些差异为鉴别天然黄玉与辐照改色黄玉提供了依据。
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| 关 键 词： | 黄玉 辐照 改色 光谱 |
STUDY ON THE COMPARING COLOR CHANGED TOPAZ WITH NATURAL TOPAZ |
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| Li Wenxia.STUDY ON THE COMPARING COLOR CHANGED TOPAZ WITH NATURAL TOPAZ[J].Journal of Jilin Unviersity:Earth Science Edition,1999(4). |
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| Authors: | Li Wenxia |
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| Abstract: | In the experiment depicted in this paper, the neutron irradiation method was used to change natural topaz color from colorless to blue. The topaz was measured under ultrared spectrum, X fluorescence and ultravioletvisible light spectrum respectively before and after color changing. The study shows that the composition, gravity and refractivity of colorchanged topaz have almost no differences from that of natural colorless topaz, but the ultravioletvisible light spectrum and ultrared spectrum of colorchanged topaz are different from that of natural topaz. These differences can be used as criterias to distinguish colorchanged topaz from natural topaz. |
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| Keywords: | topaz irradiation colourchanging spectrum |
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