Spectroscopy and Spectral Analysis, Volume. 42, Issue 7, 2130(2022)

Research on Spectral Characteristics and Coloration of Natural Cobalt Spinel

Long-feng TAO1、*, Miao SHI2、2;, Li-juan XU2、2;, Xiu-li HAN1、1; *;, and Zhuo-jun LIU2、2;
Author Affiliations
  • 11. College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China
  • 22. School of Gemmology and Materials Science, Hebei GEO University, Shijiazhuang 050031, China
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    Figures & Tables(8)
    The cobalt spinel samples
    Infrared spectra of samples
    Raman spectra of samples
    UV-Vis-NIR absorption spectra of cobalt spinel
    Luminescence characteristics of samples
    • Table 1. Basic characteristics of samples

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      Table 1. Basic characteristics of samples

      样品颜色折射率相对密度紫外荧光滤色镜下
      的颜色
      内部特征
      日光灯下白炽灯下
      ST-1蓝色蓝色1.7203.58长波下呈绿色,
      短波下为惰性
      红色透明, 内部可见大量裂隙和气液包体
      ST-2蓝色紫红色1.7203.56同上红色透明, 内部可见裂隙和气液包体
      ST-3蓝色蓝色1.7203.58同上红色透明, 内部可见黄色杂质充填在裂隙处, 气液包体
    • Table 2. The EPMA data of cobalt spinel

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      Table 2. The EPMA data of cobalt spinel

      样品编号Wt%
      Al2O3MgOFeOCr2O3CoOZnOTotal
      ST-171.5926.040.460.000.070.7798.93
      ST-271.7725.540.440.130.041.1199.03
      ST-370.7625.720.740.000.090.7798.08
      平均值71.3725.770.550.040.070.8898.68
    • Table 3. The LA-ICP-MS results of cobalt spinel

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      Table 3. The LA-ICP-MS results of cobalt spinel

      样品编号含量/( μg·g-1)
      LiBeVCrMnFeCoCuZnGa
      ST-114.452.9475.600.0035.91700.48112.1713.981 167.91101.11
      ST-295.301.0546.22197.1829.16664.3653.8813.981 677.7465.00
      ST-38.621.4752.970.0023.731 129.75132.489.321 167.9175.11
      平均值49.361.8258.2665.7229.60831.5399.5212.431 337.8580.41
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    Long-feng TAO, Miao SHI, Li-juan XU, Xiu-li HAN, Zhuo-jun LIU. Research on Spectral Characteristics and Coloration of Natural Cobalt Spinel[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2130

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    Paper Information

    Category: Orginal Article

    Received: Aug. 18, 2021

    Accepted: --

    Published Online: Nov. 16, 2022

    The Author Email: Long-feng TAO (tlf_cq@163.com)

    DOI:10.3964/j.issn.1000-0593(2022)07-2130-05

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