高温高压合成翡翠的谱学特征初探

邢莹莹 何涌

邢莹莹, 何涌. 高温高压合成翡翠的谱学特征初探[J]. 高压物理学报, 2018, 32(6): 061102. doi: 10.11858/gywlxb.20180545
引用本文: 邢莹莹, 何涌. 高温高压合成翡翠的谱学特征初探[J]. 高压物理学报, 2018, 32(6): 061102. doi: 10.11858/gywlxb.20180545
XING Yingying, HE Yong. Preliminary Study of Spectral Characteristics of HTHP Synthetic Jadeite[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 061102. doi: 10.11858/gywlxb.20180545
Citation: XING Yingying, HE Yong. Preliminary Study of Spectral Characteristics of HTHP Synthetic Jadeite[J]. Chinese Journal of High Pressure Physics, 2018, 32(6): 061102. doi: 10.11858/gywlxb.20180545

高温高压合成翡翠的谱学特征初探

doi: 10.11858/gywlxb.20180545
基金项目: 

国家自然科学基金 41272049

详细信息
    作者简介:

    邢莹莹(1984-), 女, 博士研究生, 副教授, 主要从事宝石矿物学研究. E-mail:xingyy@gcu.edu.cn

  • 中图分类号: O521.2

Preliminary Study of Spectral Characteristics of HTHP Synthetic Jadeite

  • 摘要: 通过电子探针、X射线粉晶衍射、傅里叶变化红外光谱、激光拉曼光谱、紫外-可见光吸收光谱和光致发光光谱对合成翡翠矿物谱学特征及呈色机理进行系统的测试与分析。研究结果显示,合成翡翠与天然翡翠外观、矿物成分、拉曼光谱及光致发光光谱表征基本一致,但红外吸收光谱、紫外光谱以及化学成分均出现较为明显的差异,具体表现为:较低的Fe含量导致可见光区域内437 nm吸收谱带缺失;由于微量元素的含量和形成环境差异,导致红外光谱表征中ν(M/Cr-O)和νas(M-OH)伸缩振动所致的红外吸收谱带表征出与天然翡翠较大的差异。

     

  • 图  合成翡翠(SJ-1)和天然翡翠样品(NJ-1)

    Figure  1.  Synthetic (SJ-1) and natural (NJ-1) jadeite samples

    图  合成翡翠(SJ-1)与天然翡翠(NJ-1)X射线粉晶衍射图

    Figure  2.  XRD spectra of synthetic (SJ-1) and natural (NJ-1) jadeite samples

    图  合成翡翠与天然翡翠红外光谱表征(2 000~400 cm-1)

    Figure  3.  FTIR spectra of synthetic and natural jadeite samples (2 000-400 cm-1)

    图  合成翡翠与天然翡翠红外光谱表征(4 000~2 000 cm-1)

    Figure  4.  FTIR spectra of synthetic and natural jadeite samples (4 000-2 000 cm-1)

    图  合成翡翠与天然翡翠激光拉曼光谱表征

    Figure  5.  Representation of Raman spectra of synthetic and natural jadeite samples

    图  合成翡翠与天然翡翠紫外-可见吸收光谱表征

    Figure  6.  Representation of UV-VIS spectra of synthetic and natural jadeite samples

    图  合成翡翠与天然翡翠光致发光光谱表征

    Figure  7.  Representation of PL spectra of synthetic and natural jadeite samples

    表  1  合成翡翠与天然翡翠样品的化学成分

    Table  1.   Chemical analyses of synthetic and natural jadeite samples

    (%)
    Sample Na2O Cr2O3 K2O MgO MnO CaO Al2O3 FeO TiO2 SiO2 Total
    NJ-1 13.721 0.073 0.052 0.370 0.012 0.962 22.467 1.870 0.092 59.951 99.570
    SJ-2-1 15.087 0.062 0.016 0.006 0.018 0.044 24.787 0.025 0 59.478 99.523
    SJ-2-2 13.847 0.064 0.028 0 0 0.063 23.826 0.015 0 62.353 100.196
    SJ-2-3 13.446 0.066 0.031 0.016 0 0.064 23.962 0 0 61.090 98.675
    SJ-2AVE 14.130 0.064 0.025 0.007 0.006 0.057 24.190 0.013 0 60.970
    下载: 导出CSV

    表  2  合成翡翠与天然翡翠的红外吸收光谱特征与归属

    Table  2.   Representation and attribution of FTIR of synthetic and natural jadeite samples

    Sample No. Spectral peak/cm-1 Adscription
    SJ-1 3 612,3 470,3 373
    1 089,1154
    1 054,999,919,846
    746,665
    598
    534,491,436,396
    νas(M—OH)
    νas(Si—O—Si)
    νas(O—Si—O)
    νs(Si—O—Si)
    δ(Si—O)
    ν(M/Cr—O)
    NJ-1 3 614,3 541,3 461,3 397,3 325,3 228,3 181
    1 077,1 164
    959,856
    745,665
    582
    529,467,435,399,363
    νas(M—OH)
    νas(Si—O—Si)
    νas(O—Si—O)
    νs(Si—O—Si)
    δ(Si—O)
    ν(M/Cr, Fe—O)
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-04-23
  • 修回日期:  2018-05-25

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